Climate of Europe
Encyclopedia
The climate of Europe is of a temperate, continental
Continental climate
Continental climate is a climate characterized by important annual variation in temperature due to the lack of significant bodies of water nearby...

 nature, with a maritime climate prevailing on the western coasts and a mediterranean climate
Mediterranean climate
A Mediterranean climate is the climate typical of most of the lands in the Mediterranean Basin, and is a particular variety of subtropical climate...

 in the south. The climate is strongly conditioned by the Gulf Stream
Gulf Stream
The Gulf Stream, together with its northern extension towards Europe, the North Atlantic Drift, is a powerful, warm, and swift Atlantic ocean current that originates at the tip of Florida, and follows the eastern coastlines of the United States and Newfoundland before crossing the Atlantic Ocean...

, which warms the western region to levels unattainable at similar latitudes on other continents. Western Europe is oceanic, while eastern Europe is continental and dry. Four seasons occur in western Europe, while southern Europe experiences a wet season
Wet season
The the wet season, or rainy season, is the time of year, covering one or more months, when most of the average annual rainfall in a region occurs. The term green season is also sometimes used as a euphemism by tourist authorities. Areas with wet seasons are dispersed across portions of the...

 and a dry season
Dry season
The dry season is a term commonly used when describing the weather in the tropics. The weather in the tropics is dominated by the tropical rain belt, which oscillates from the northern to the southern tropics over the course of the year...

. Southern Europe is hot and dry during the summer months. The heaviest precipitation occurs downwind of water bodies due to the prevailing westerlies
Westerlies
The Westerlies, anti-trades, or Prevailing Westerlies, are the prevailing winds in the middle latitudes between 30 and 60 degrees latitude, blowing from the high pressure area in the horse latitudes towards the poles. These prevailing winds blow from the west to the east, and steer extratropical...

, with higher amounts also seen in the Alps
Alps
The Alps is one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east through Italy, Switzerland, Liechtenstein and Germany to France in the west....

. Tornadoes occur within Europe, but tend to be weak. The Netherlands and United Kingdom experience a disproportionately high number of tornadic events.

Overview

Europe's climate is of a temperate, continental
Continental climate
Continental climate is a climate characterized by important annual variation in temperature due to the lack of significant bodies of water nearby...

 nature, with a maritime climate prevailing on the western coasts and a mediterranean climate
Mediterranean climate
A Mediterranean climate is the climate typical of most of the lands in the Mediterranean Basin, and is a particular variety of subtropical climate...

 in the south. The climate is strongly conditioned by the Gulf Stream
Gulf Stream
The Gulf Stream, together with its northern extension towards Europe, the North Atlantic Drift, is a powerful, warm, and swift Atlantic ocean current that originates at the tip of Florida, and follows the eastern coastlines of the United States and Newfoundland before crossing the Atlantic Ocean...

, which warms the western region to levels unattainable at similar latitudes on other continents. Prevailing westerlies (conditioned by the Azores High
Azores High
The Azores High is a large subtropical semi-permanent centre of high atmospheric pressure found near the Azores in the Atlantic Ocean, at the Horse latitudes...

) bring rain from the Atlantic ocean
Atlantic Ocean
The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

 to the west, while the Siberian High
Siberian High
The Siberian High is a massive collection of cold or very cold dry air that accumulates on the Eurasian terrain for much of the year. It reaches its greatest size and strength in the winter, when the air temperature near the center of the high-pressure cell or anticyclone is often lower than...

 brings colder, drier weather from the east. There is a cycle of four season
Season
A season is a division of the year, marked by changes in weather, ecology, and hours of daylight.Seasons result from the yearly revolution of the Earth around the Sun and the tilt of the Earth's axis relative to the plane of revolution...

s in the west, while the east tends to a two-season, hot and cold cycle.

Gulf Stream

The climate is milder in comparison to other areas of the same latitude around the globe due to the influence of the Gulf Stream
Gulf Stream
The Gulf Stream, together with its northern extension towards Europe, the North Atlantic Drift, is a powerful, warm, and swift Atlantic ocean current that originates at the tip of Florida, and follows the eastern coastlines of the United States and Newfoundland before crossing the Atlantic Ocean...

. The Gulf Stream is nicknamed "Europe's central heating", because it makes Europe's climate warmer and wetter than it would otherwise be. The extent of the Gulf Stream's contribution to the actual temperature differential between North America and Europe is a matter of dispute as there is an alternative opinion within the science community that this temperature difference is mainly due to the Atlantic Ocean being upwind of western Europe (producing an oceanic climate
Oceanic climate
An oceanic climate, also called marine west coast climate, maritime climate, Cascadian climate and British climate for Köppen climate classification Cfb and subtropical highland for Köppen Cfb or Cwb, is a type of climate typically found along the west coasts at the middle latitudes of some of the...

) and a landmass being upwind of the east coast of North America.

The average temperature throughout the year of Naples is 16 °C (60.8 °F), while it is only 12 °C (53.6 °F) in New York City which is almost on the same latitude. Berlin, Germany; Calgary, Canada; and Irkutsk, in the Asian part of Russia, lie on around the same latitude; January temperatures in Berlin average around 8 °C (15 °F) higher than those in Calgary, and they are almost 22 °C (40 °F) higher than average temperatures in Irkutsk. This difference is even larger on the northern part of the continent; the January average in Brønnøysund
Brønnøysund
is a town and the administrative centre of the municipality of Brønnøy, Norway. It is also a former municipality in Nordland county. The village of Brønnøysund received town status in 2000. The city lies along the coast and is often called "the coastal town in the middle of Norway." Brønnøysund...

, Norway, is almost 15 °C warmer than the January average in Nome, Alaska
Nome, Alaska
Nome is a city in the Nome Census Area in the Unorganized Borough of the U.S. state of Alaska, located on the southern Seward Peninsula coast on Norton Sound of the Bering Sea. According to the 2010 Census, the city population was 3,598. Nome was incorporated on April 9, 1901, and was once the...

, even if both towns are situated upwind on the west coast of the continents at 65°N, and as much as 42°C warmer than January average in Yakutsk
Yakutsk
With a subarctic climate , Yakutsk is the coldest city, though not the coldest inhabited place, on Earth. Average monthly temperatures range from in July to in January. The coldest temperatures ever recorded on the planet outside Antarctica occurred in the basin of the Yana River to the northeast...

 which is actually slightly further south.

Precipitation

On an annual basis, rainfall across the continent is favored within the Alps, and from Slovenia southward to the western coast of Greece. Other maxima exist in western Georgia, northwest Spain, western Great Britain, and western Norway. The maxima along the eastern coasts of water bodies is due to the westerly wind flow which dominates across the continent. A bulk of the precipitation across the Alps falls between March and November. The wet season in lands bordering the Mediterranean sea
Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Anatolia and Europe, on the south by North Africa, and on the east by the Levant...

 lasts from October through March, with November and December typically the wettest months. For example, the monthly rainfall at Athens
Athens
Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

 ranges from 6 mm (July) during their dry season to 71 mm (December) during their wet season. Summer rainfall across the continent evaporates completely into the warm atmosphere, leaving winter precipitation to be the source of groundwater for Europe. Places with significant impact by acid rain across the continent include most of eastern Europe from Poland
Poland
Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 northward into Scandinavia
Scandinavia
Scandinavia is a cultural, historical and ethno-linguistic region in northern Europe that includes the three kingdoms of Denmark, Norway and Sweden, characterized by their common ethno-cultural heritage and language. Modern Norway and Sweden proper are situated on the Scandinavian Peninsula,...

.

The European Monsoon (more commonly known as the Return of the Westerlies) is the result of a resurgence of westerly winds from the Atlantic, where they become loaded with wind and rain. These Westerly winds are a common phenomenon during the European winter, but they ease as Spring approaches in late March and through April and May. The winds pick up again in June, which is why this phenomenon is also referred to as "the return of the westerlies".

The rain usually arrives in two waves, at the beginning of June and again in mid to late June. The European monsoon is not a monsoon in the traditional sense in that it doesn't meet all the requirements to be classified as such. Instead the Return of the Westerlies is more regarded as a conveyor belt that delivers a series of low pressure centres to Western Europe
Western Europe
Western Europe is a loose term for the collection of countries in the western most region of the European continents, though this definition is context-dependent and carries cultural and political connotations. One definition describes Western Europe as a geographic entity—the region lying in the...

 where they create unseasonable weather. These storms generally feature significantly lower than average temperatures, fierce rain or hail, thunder and strong winds. The Return of the Westerlies affects Europe's Northern Atlantic
Northern Europe
Northern Europe is the northern part or region of Europe. Northern Europe typically refers to the seven countries in the northern part of the European subcontinent which includes Denmark, Estonia, Latvia, Lithuania, Norway, Finland and Sweden...

 coastline, such as Ireland
Ireland
Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

, Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

, the Benelux countries
Benelux
The Benelux is an economic union in Western Europe comprising three neighbouring countries, Belgium, the Netherlands, and Luxembourg. These countries are located in northwestern Europe between France and Germany...

, Western Germany
Western Germany
The geographic term Western Germany is used to describe a region in the west of Germany. The exact area defined by the term is not constant, but it usually includes, but does not have the borders of, North Rhine-Westphalia and Hesse...

, Northern France and parts of Scandinavia
Scandinavia
Scandinavia is a cultural, historical and ethno-linguistic region in northern Europe that includes the three kingdoms of Denmark, Norway and Sweden, characterized by their common ethno-cultural heritage and language. Modern Norway and Sweden proper are situated on the Scandinavian Peninsula,...

.

There are cycles seen within the rainfall data from Northern Europe between Great Britain and Germany, which are seen at 16 years. Southern Europe experiences a 22-year cycle in rainfall variation. Other smaller term cycles are seen at 10-12 year and 6-7 year periods within the rainfall record. Long term trends suggest rainfall within Greece has been decreasing since 1981.

Rainfall averages between 36 mm (March)to 54 mm (November) in London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 and from 36 mm (March) to 88 mm (July) in Moscow
Moscow
Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

.

Temperature

Temperatures average between 2°C at night (January) and 23°C during the day (July) in London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, from 5°C at night (January) to 33°C during the day (July) in Athens
Athens
Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

 and from -10°C at night (January) to 23°C during the day (July) in Moscow
Moscow
Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

. Among the all cities with a population over 100,000 people in Europe, the warmest winters in continent there are three Spain cities - Almeria
Almería
Almería is a city in Andalusia, Spain, on the Mediterranean Sea. It is the capital of the province of the same name.-Toponym:Tradition says that the name Almería stems from the Arabic المرية Al-Mariyya: "The Mirror", comparing it to "The Mirror of the Sea"...

, Alicante
Alicante
Alicante or Alacant is a city in Spain, the capital of the province of Alicante and of the comarca of Alacantí, in the south of the Valencian Community. It is also a historic Mediterranean port. The population of the city of Alicante proper was 334,418, estimated , ranking as the second-largest...

 and Malaga
Málaga
Málaga is a city and a municipality in the Autonomous Community of Andalusia, Spain. With a population of 568,507 in 2010, it is the second most populous city of Andalusia and the sixth largest in Spain. This is the southernmost large city in Europe...

 (of population over 500,000) with 16–17 °C (60.8–62.6 F) during the day in January. Among the all capitals in Europe, the warmest winters in continent occurs - Valletta
Valletta
Valletta is the capital of Malta, colloquially known as Il-Belt in Maltese. It is located in the central-eastern portion of the island of Malta, and the historical city has a population of 6,098. The name "Valletta" is traditionally reserved for the historic walled citadel that serves as Malta's...

 in Malta with 15–16 °C (59–60.8 F) during the day. Among the all cities with a population over 100,000 people in Europe, the warmest summer in continent occurs - Seville
Seville
Seville is the artistic, historic, cultural, and financial capital of southern Spain. It is the capital of the autonomous community of Andalusia and of the province of Seville. It is situated on the plain of the River Guadalquivir, with an average elevation of above sea level...

 in Spain, with 35.3 °C (95.5 °F) during the day and among the all capitals in Europe - Athens
Athens
Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

 in Greece with 33.5 °C (92.3 °F) during the day in July.

Mildest climate occurs in northwest part of Iberian Peninsula
Iberian Peninsula
The Iberian Peninsula , sometimes called Iberia, is located in the extreme southwest of Europe and includes the modern-day sovereign states of Spain, Portugal and Andorra, as well as the British Overseas Territory of Gibraltar...

 (Spain and Portugal), between Bilbao
Bilbao
Bilbao ) is a Spanish municipality, capital of the province of Biscay, in the autonomous community of the Basque Country. With a population of 353,187 , it is the largest city of its autonomous community and the tenth largest in Spain...

, A Coruña
A Coruña
A Coruña or La Coruña is a city and municipality of Galicia, Spain. It is the second-largest city in the autonomous community and seventeenth overall in the country...

 and Porto
Porto
Porto , also known as Oporto in English, is the second largest city in Portugal and one of the major urban areas in the Iberian Peninsula. Its administrative limits include a population of 237,559 inhabitants distributed within 15 civil parishes...

. In this the coastal strand, there are mild winters and summers, with the average temperature varies from 10–14 °C (50–57.2 F) during the day and about 5 °C (41 °F) at night in January to 22–26 °C (71.6–78.8 F) during the day and 15–16 °C (59–60.8 F) at day night in the middle of summer.
Average temperature (°C) during the day
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Minsk
Minsk
- Ecological situation :The ecological situation is monitored by Republican Center of Radioactive and Environmental Control .During 2003–2008 the overall weight of contaminants increased from 186,000 to 247,400 tons. The change of gas as industrial fuel to mazut for financial reasons has worsened...

-2.7 -1.4 3.3 11.5 18.3 21.5 22.4 22.2 15.9 9.6 2.6 -1.0 10.1
Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

6.9 8.2 11.8 14.7 19.0 21.8 24.4 24.6 20.8 15.8 10.4 7.8 15.5
Barcelona
Barcelona
Barcelona is the second largest city in Spain after Madrid, and the capital of Catalonia, with a population of 1,621,537 within its administrative limits on a land area of...

13.4 14.6 15.9 17.6 20.5 24.2 27.5 28.0 25.5 21.5 17.0 14.3 20.0
Lisbon
Lisbon
Lisbon is the capital city and largest city of Portugal with a population of 545,245 within its administrative limits on a land area of . The urban area of Lisbon extends beyond the administrative city limits with a population of 3 million on an area of , making it the 9th most populous urban...

14.5 15.9 18.2 19.2 21.4 24.8 27.5 27.8 26.2 22.1 18.0 15.2 20.9
Malaga
Málaga
Málaga is a city and a municipality in the Autonomous Community of Andalusia, Spain. With a population of 568,507 in 2010, it is the second most populous city of Andalusia and the sixth largest in Spain. This is the southernmost large city in Europe...

16.6 17.7 19.1 20.9 23.8 27.3 29.9 30.3 27.9 23.7 19.9 17.4 22.9

Average sea temperature (°C)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Gdańsk
Gdansk
Gdańsk is a Polish city on the Baltic coast, at the centre of the country's fourth-largest metropolitan area.The city lies on the southern edge of Gdańsk Bay , in a conurbation with the city of Gdynia, spa town of Sopot, and suburban communities, which together form a metropolitan area called the...

 http://www.weather2travel.com/climate-guides/poland/gdansk.php
4 3 3 4 8 13 16 18 15 12 9 6
Brighton
Brighton
Brighton is the major part of the city of Brighton and Hove in East Sussex, England on the south coast of Great Britain...

 http://www.weather2travel.com/climate-guides/united-kingdom/brighton.php
9 8 8 9 11 13 15 17 17 16 13 11
Marseille
Marseille
Marseille , known in antiquity as Massalia , is the second largest city in France, after Paris, with a population of 852,395 within its administrative limits on a land area of . The urban area of Marseille extends beyond the city limits with a population of over 1,420,000 on an area of...

 http://www.weather2travel.com/climate-guides/france/marseille.php
13 13 13 14 16 18 21 22 21 18 16 14
Barcelona
Barcelona
Barcelona is the second largest city in Spain after Madrid, and the capital of Catalonia, with a population of 1,621,537 within its administrative limits on a land area of...

 http://www.weather2travel.com/climate-guides/spain/barcelona.php
13 13 13 14 17 20 23 25 23 20 17 15
Lisbon
Lisbon
Lisbon is the capital city and largest city of Portugal with a population of 545,245 within its administrative limits on a land area of . The urban area of Lisbon extends beyond the administrative city limits with a population of 3 million on an area of , making it the 9th most populous urban...

 http://www.weather2travel.com/climate-guides/portugal/lisbon.php
15 15 15 16 17 18 19 20 20 19 18 17
Valencia http://www.weather2travel.com/climate-guides/spain/valencia.php 14 13 14 15 17 21 24 26 24 21 18 15
Malaga
Málaga
Málaga is a city and a municipality in the Autonomous Community of Andalusia, Spain. With a population of 568,507 in 2010, it is the second most populous city of Andalusia and the sixth largest in Spain. This is the southernmost large city in Europe...

 http://www.weather2travel.com/climate-guides/spain/costa-del-sol/malaga.php
16 15 15 16 17 20 22 23 22 20 18 16
Naples
Naples
Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

 http://www.weather2travel.com/climate-guides/italy/neapolitan-riviera/naples.php
15 14 14 15 18 22 25 27 25 22 19 16
Athens
Athens
Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

 http://www.weather2travel.com/climate-guides/greece/athens.php
16 15 15 16 18 21 24 24 24 21 19 17
Malta
Malta
Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...

 http://www.weather2travel.com/climate-guides/malta/valletta.php
16 16 15 16 18 21 24 26 25 23 21 18

Tornadoes

The Netherlands has the highest average number of recorded tornadoes per area of any country (more than 20, or 0.0013 per sq mi (0.00048 per km2), annually), followed by the UK (around 33, or 0.00035 per sq mi (0.00013 per km2), per year), but most are small and cause minor damage. In absolute number of events, ignoring area, the UK experiences more tornadoes than any other European country, excluding waterspouts. Europe uses its own tornado scale, known as the TORRO scale
TORRO scale
The TORRO tornado intensity scale is a scale measuring tornado intensity between T0 and T11. It was developed by Terence Meaden of the Tornado and Storm Research Organisation , a meteorological organisation in the United Kingdom, as an extension of the Beaufort scale.- History and derivation from...

, which ranges from a T0 for extremely weak tornadoes to T11 for the most powerful known tornadoes.
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