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Old 07-15-2017, 11:13 PM
 
Location: Paris, Île-de-France, France
2,659 posts, read 3,315,291 times
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Cartothèque - Climate Map of France


Average Annual Temperature (°C)



Average summer temperature (°C)



Average winter temperature (°C)



Average annual range of temperature (°C)



Average days of maximum daily temperature over 25°C



Average days of maximum daily temperature over 30°C



Average days of mean daily temperature over 18°C



Average annual sunshine hours



Average overcast days



Average days of strong wind (over 57 km/h)



Average days of fog



Average days of frost



Average snowy days



Average annual rainfall



Average rainy days



Average rainfall intensity



Average rainfall variability



Summer precipitation (mm)



De Martonne summer aridity index
*Formula: Average rainfall in mm/(Average temperture+10)


I have added the website in bookmark quite a while ago, thought it would be great to share on the forum. I decided to create a thread because it's a worthy piece of information to discuss the climate of France and also feel free to compare with other nations in the Western Europe or similar climate zones around the world.

Last edited by tenkier7; 07-15-2017 at 11:37 PM..
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Old 07-16-2017, 06:05 AM
 
Location: Wellington and North of South
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Great. Found the sunniest listed location in the averages table - Marignane.
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Old 07-16-2017, 08:07 AM
 
Location: Bologna, Italy
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Cool maps.

Just one question: What does average rainfall variability mean ?
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Old 07-16-2017, 12:03 PM
 
Location: Paris, Île-de-France, France
2,659 posts, read 3,315,291 times
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Quote:
Originally Posted by forgotten username View Post
Cool maps.

Just one question: What does average rainfall variability mean ?
There are few ways of define the rainfall variability, however judging based on looking the map, seems like they meant how the precipitation pattern distributed throughout the year in average. (Higher value of number = evenly distributed / lower value of number = tend to concentrated in specific season; late autumn to winter most case for southeastern France and coastal areas of Bretagne)
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Old 07-16-2017, 12:42 PM
 
Location: Paris, Île-de-France, France
2,659 posts, read 3,315,291 times
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Quote:
Originally Posted by RWood View Post
Great. Found the sunniest listed location in the averages table - Marignane.
The closer you get to the Belgian border or La Manche, the average sunshine hours significantly decreases almost half of than location you've mentioned for the sunniest.

Here's one of the cloudiest city in the country.
DONNEES CLIMATIQUES DE LA STATION DE CHARLEVILLE-MÉZIÈRES
Wikipedia - Charleville-Mézières
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Old 07-16-2017, 01:02 PM
 
Location: Paris, Île-de-France, France
2,659 posts, read 3,315,291 times
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Ensoleillement moyen annuel en France



Another map of annual average sunshine hours(20-year period) with contour lines. La Rochelle is the sunniest major city among the Atlantic coast and north of 45°N.
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Old 07-16-2017, 02:47 PM
 
Location: Wellington and North of South
5,127 posts, read 8,479,340 times
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Quote:
Originally Posted by tenkier7 View Post
The closer you get to the Belgian border or La Manche, the average sunshine hours significantly decreases almost half of than location you've mentioned for the sunniest.

Here's one of the cloudiest city in the country.
DONNEES CLIMATIQUES DE LA STATION DE CHARLEVILLE-MÉZIÈRES
Wikipedia - Charleville-Mézières
Yes, quite a contrast!
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Old 07-16-2017, 02:49 PM
 
Location: Wellington and North of South
5,127 posts, read 8,479,340 times
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Quote:
Originally Posted by tenkier7 View Post
Ensoleillement moyen annuel en France



Another map of annual average sunshine hours(20-year period) with contour lines. La Rochelle is the sunniest major city among the Atlantic coast and north of 45°N.
Very tight gradient in the SE corner of the country. I'd like to hear the reasons for the relatively sunny "bubble" in the middle part of the western coastline ....
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Old 07-16-2017, 02:49 PM
 
Location: Esquel, Argentina
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Quote:
Originally Posted by tenkier7 View Post

Average rainfall intensity
I'm guessing this map shows precipitations in mm not per day but per rainy day?
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Old 07-16-2017, 03:30 PM
 
Location: Paris
8,199 posts, read 8,621,586 times
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Quote:
Originally Posted by Palider View Post
I'm guessing this map shows precipitations in mm not per day but per rainy day?
Yes. If the Riviera averaged 4000+ mm / year, the landscape would be lusher, to say the least.



Quote:
Originally Posted by RWood View Post
Very tight gradient in the SE corner of the country. I'd like to hear the reasons for the relatively sunny "bubble" in the middle part of the western coastline ....
It's not really a bubble as one can only assume that it entends over the nearby ocean. It's coastal so sunnier than nearby inland areas to the east, with less summer convection, obviously sunnier than Brittany to its north, but also sunnier than the Basque country to the south and its mountain-induced cloudiness.
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