Rainfall in Brou trails that of 91% of mainland French towns: 626 mm a year
The depth of winter brings overnight lows near 1.6°C. Only about 48 days a year reach 25°C, fewer than in 71% of mainland French towns. Only 24°C separates winter nights from summer afternoons. For walks and days out, the stretch from June to September brings highs of 22–26°C.
These are the figures of Météo-France’s Blandainville station, 13 km north-east.
A year in Brou at a glance
Each month’s typical high and low in °C, at the Blandainville station.
What a year in Brou feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Blandainville.
About 626 mm of rain a year
December is the wettest month and September the driest. About 17 days a year bring 10 mm or more. 9th wettest of 33 towns of 2,500+ in Eure-et-Loir.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Chateaudun
49 frosts and 48 days of 25°C a year
On about 49 nights a year the air drops to 0°C or below, and on about 6 days it stays below freezing all day. About 48 days a year reach 25°C, and 13 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Blandainville: 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 Blandainville
Blandainville is 13 km north-east of Brou. Every figure on this page is the station’s, not a measurement in Brou itself.
| Station (Météo-France number) | Blandainville (28041001) |
| Distance from the town | 13 km north-east |
| Station altitude | 163 m |
| Town altitude (its center) | 161 m |
| Period | 1995–2020 (the station’s own record) |
| Sunshine measured at | Chateaudun, 23 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 Brou 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 Eure-et-Loir.
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 |
|---|---|---|---|---|
| Brou | Blandainville | 25.4°C | 1.6°C | 626 mm |
| Illiers-Combray 11 km | same station | 25.4°C about the same | 1.6°C about the same | 626 mm |
| Vald'Yerre 12 km | Droué - Morache | 25.0°C about the same | 1.5°C about the same | 789 mm |
| Bonneval 17 km | Pré-Saint-Évroult | 25.8°C about the same | 1.5°C about the same | 592 mm |
| Châteaudun 20 km | Chateaudun | 25.8°C about the same | 1.4°C about the same | 603 mm |
| Cloyes-les-Trois-Rivières 24 km | Chateaudun | 25.8°C about the same | 1.4°C about the same | 603 mm |
| Courville-sur-Eure 27 km | same station | 25.4°C about the same | 1.6°C about the same | 626 mm |
Brou weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Blandainville station; sunshine at Chateaudun.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.5°C | 1.6°C | 4.1°C | 53 mm | 65 |
| February | 8.0°C | 1.4°C | 4.7°C | 46 mm | 92 |
| March | 11.7°C | 3.0°C | 7.4°C | 46 mm | 144 |
| April | 15.5°C | 4.5°C | 10.0°C | 43 mm | 189 |
| May | 18.8°C | 7.9°C | 13.3°C | 58 mm | 216 |
| June | 22.7°C | 10.9°C | 16.8°C | 52 mm | 226 |
| July | 25.4°C | 12.5°C | 19.0°C | 49 mm | 238 |
| August | 25.6°C | 12.5°C | 19.0°C | 45 mm | 233 |
| September | 21.6°C | 9.8°C | 15.7°C | 41 mm | 187 |
| October | 16.4°C | 7.7°C | 12.1°C | 63 mm | 121 |
| November | 10.5°C | 4.3°C | 7.4°C | 61 mm | 73 |
| December | 7.1°C | 2.0°C | 4.5°C | 69 mm | 63 |
| Year | 15.8°C | 6.5°C | 11.2°C | 626 mm | 1,846 |
Where Brou’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Blandainville, 13 km away: statistics for 1991–2020 (the station’s own years, 1995–2020, where its record is shorter).
- 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, Chateaudun, 23 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 Eure-et-Loir.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Brou’s climate
How warm does Brou get in summer?
August is the warmest month, with average highs of 25.6°C. About 48 days a year reach 25°C, fewer than 71% of mainland French towns, and about 13 reach 30°C.
How cold does Brou get in winter?
February nights average 1.4°C. The air drops to 0°C or below on about 49 nights a year, and about 6 days a year stay below freezing all day.
How much rain does Brou get?
About 626 mm a year, less than 91% of mainland French towns. December is the wettest month (69 mm) and September the driest (41 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Chateaudun (23 km away), averages 1,846 hours of sunshine a year.
Are these figures for Brou itself?
No: they are the normals of the Météo-France station matched to Brou, Blandainville, 13 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 BLANDAINVILLE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Brou →
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.