Climate in Île-de-France

Average daytime and nighttime temperatures

All climatic diagrams on this site result from the collected data from five measuring weather stations in Île-de-France.
All data correspond to the average monthly values of the last 20 years.
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Île-de-France is one of the coldest regions in France with an average daily high temperature of only 16 degrees. The climate widely corresponds to Central European weather conditions. It is cold, wet and a few beautiful summer months are also happening during a year. Due to the warmer temperatures the best time for traveling is from June to September. Less attractive are the cold months from November to March.
Overview: Climate in France
Daylengths and sun positions in France
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Île-de-France
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 8 hours per day, July is the sunniest month in the department of Île-de-France. In January the sun shines the shortest.
Rainy days per monthRainy days per month in Île-de-France
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 14 rainy days, January offers the most number of rainy days, and in September the least.
Precipitation in mm/dayPrecipitation in Île-de-France
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 1.3 mm, the least rain falls in April. December, on the other hand, has the most rain.
Map of Île-de-France

Most important cities in the department »Île-de-France«

As the capital region, it is arguably the most important part of France. The department has a west-east extension of about 130 km and over 110 km from north to south.

CityPopulationGeo position
Paris2,206,48848° 51' 12"N2° 20' 56"E
Cergy-Pontoise183,43049° 2' 20"N2° 4' 41"E
Saint-Quentin-en-Yvelines146,59848° 46' 19"N2° 1' 8"E
Boulogne-Billancourt117,93148° 49' 60"N2° 15' 0"E
Saint-Denis111,10348° 55' 60"N2° 22' 0"E
Argenteuil110,38848° 57' 0"N2° 15' 0"E
Montreuil106,69148° 51' 51"N2° 26' 36"E
Asnières-sur-Seine86,74248° 55' 0"N2° 16' 60"E
Nanterre86,71948° 53' 31"N2° 12' 24"E
Versailles85,41648° 47' 60"N2° 7' 60"E
Courbevoie85,15848° 53' 48"N2° 15' 24"E
Créteil84,83348° 46' 60"N2° 28' 0"E
Colombes82,30048° 55' 8"N2° 15' 15"E
Vitry-sur-Seine81,00148° 47' 14"N2° 24' 12"E
Aulnay-sous-Bois80,61548° 56' 17"N2° 29' 38"E
Champigny-sur-Marne76,72648° 48' 59"N2° 29' 37"E
Rueil-Malmaison76,61648° 52' 35"N2° 11' 23"E
Saint-Maur-des-Fossés75,40248° 47' 38"N2° 29' 36"E
Aubervilliers70,91448° 55' 0"N2° 22' 60"E
Drancy62,48848° 55' 33"N2° 26' 43"E
Noisy-le-Grand62,42048° 50' 59"N2° 33' 46"E
Levallois-Perret62,17848° 53' 38"N2° 17' 19"E
Issy-les-Moulineaux61,44748° 49' 16"N2° 16' 38"E
Neuilly-sur-Seine61,30048° 53' 5"N2° 16' 11"E
Antony59,84548° 45' 0"N2° 17' 60"E
Sarcelles57,97949° 0' 0"N2° 22' 60"E
Ivry-sur-Seine57,89748° 48' 56"N2° 23' 6"E
Cergy57,57649° 2' 11"N2° 4' 34"E
Clichy57,46748° 54' 1"N2° 18' 34"E
Sartrouville53,98048° 56' 54"N2° 11' 30"E

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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