Less rain falls on Dourdan than on 82% of mainland French towns: 654 mm a year
Météo-France’s Dourdan station, 1.5 km west: a typical year brings 654 mm of rain, with July afternoons around 25.7°C and January nights around 1.5°C. Frost is common: about 51 nights a year drop below freezing, more than in 70% of mainland French towns. Days of 25°C are scarce: about 53 a year, fewer than in 64% of mainland French towns.
A year in Dourdan at a glance
Each month’s typical high and low in °C, at the Dourdan station.
What a year in Dourdan feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Dourdan.
About 654 mm of rain a year
May is the wettest month and April the driest. About 17 days a year bring 10 mm or more. 37th wettest of 96 towns of 2,500+ in Essonne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Trappes
A frosty town: 51 frosts and 53 days of 25°C a year
On about 51 nights a year the air drops to 0°C or below, and on about 4 days it stays below freezing all day. About 53 days a year reach 25°C, and 14 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Dourdan: a frost is a night of 0°C or below, a summer day (jour d’été) 25°C or more, a hot day (forte chaleur) 30°C or more.
The Météo-France station at Dourdan
Dourdan is 1.5 km west of Dourdan. Every figure on this page is the station’s, not a measurement in Dourdan itself.
| Station (Météo-France number) | Dourdan (91200002) |
| Distance from the town | 1.5 km west |
| Station altitude | 116 m |
| Town altitude (its center) | 101 m |
| Period | 1991–2020 |
| Sunshine measured at | Trappes, 27 km away |
TownRatings matches each commune to one station with at least 24 years of temperature and rain records: the nearest, counting every 100 m of height difference as 10 km, never across the sea.
How Dourdan compares
Against the 4,385 towns of 2,500 or more in mainland France, each read from its own matched station. The dots are the other towns of 2,500+ in Essonne.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km. Where a neighbor uses the same station its figures are the same: the differences you’d feel over a few kilometers aren’t in the normals.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Dourdan | Dourdan | 25.7°C | 1.5°C | 654 mm |
| Saint-Arnoult-en-Yvelines 7.3 km | same station | 25.7°C about the same | 1.5°C about the same | 654 mm |
| Saint-Chéron 8.5 km | Fontenay-lès-B. | 26.1°C about the same | 1.5°C about the same | 696 mm |
| Forges-les-Bains 12 km | Fontenay-lès-B. | 26.1°C about the same | 1.5°C about the same | 696 mm |
| Ablis 13 km | Sainville | 25.9°C about the same | 1.2°C about the same | 656 mm |
| Breuillet 13 km | Fontenay-lès-B. | 26.1°C about the same | 1.5°C about the same | 696 mm |
| Étréchy 14 km | Brétigny | 26.0°C about the same | 1.7°C about the same | 629 mm |
Dourdan weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Dourdan station; sunshine at Trappes.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.9°C | 1.5°C | 4.2°C | 52 mm | 57 |
| February | 8.2°C | 1.2°C | 4.7°C | 48 mm | 81 |
| March | 12.4°C | 3.1°C | 7.8°C | 50 mm | 134 |
| April | 16.0°C | 4.9°C | 10.5°C | 44 mm | 176 |
| May | 19.4°C | 8.3°C | 13.9°C | 69 mm | 202 |
| June | 23.0°C | 11.4°C | 17.2°C | 54 mm | 210 |
| July | 25.7°C | 13.3°C | 19.5°C | 52 mm | 222 |
| August | 25.6°C | 13.1°C | 19.3°C | 57 mm | 216 |
| September | 21.5°C | 10.1°C | 15.9°C | 48 mm | 177 |
| October | 16.4°C | 7.7°C | 12.0°C | 55 mm | 117 |
| November | 10.8°C | 4.4°C | 7.6°C | 61 mm | 68 |
| December | 7.4°C | 2.0°C | 4.7°C | 66 mm | 55 |
| Year | 16.1°C | 6.8°C | 11.4°C | 654 mm | 1,714 |
Where Dourdan’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Dourdan, 1.5 km away: statistics for 1991–2020.
- Which station: among stations with at least 24 of the 30 years of temperature and rain, the nearest to the commune’s population-weighted center, counting each 100 m of height difference as 10 km; mainland towns use mainland stations and each overseas département its own.
- Altitudes: the town’s from IGN’s RGE ALTI® at its population-weighted center; the station’s from Météo-France.
- Sunshine: the nearest station with at least 10 years of sunshine records, Trappes, 27 km away.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Essonne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Dourdan’s climate
How warm does Dourdan get in summer?
July is the warmest month, with average highs of 25.7°C. About 53 days a year reach 25°C, fewer than 64% of mainland French towns, and about 14 reach 30°C.
How cold does Dourdan get in winter?
February nights average 1.2°C. The air drops to 0°C or below on about 51 nights a year, and about 4 days a year stay below freezing all day.
How much rain does Dourdan get?
About 654 mm a year, less than 82% of mainland French towns. May is the wettest month (69 mm) and April the driest (44 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Trappes (27 km away), averages 1,714 hours of sunshine a year.
Are these figures for Dourdan itself?
No: they are the normals of the Météo-France station matched to Dourdan, Dourdan, 1.5 km away. France publishes its climate normals by station, not by commune; a valley, a hill or the sea can make a difference over a few kilometers.
Where do these figures come from?
Météo-France’s fiches climatologiques: 30-year averages (1991–2020) for each of its long-running stations, published as open data since 2024. They are normals, not a forecast.
Source: Météo-France, fiches climatologiques, 1991–2020 statistics (station DOURDAN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Dourdan →
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.