The climate in Grandchamp sits close to the middle of mainland French towns
A typical January night drops to 2.2°C and a July afternoon reaches 25.8°C; 703 mm of rain falls in a year. December is the wettest month, April the driest. Frosty nights outnumber those of 71% of mainland French towns. Garden chairs stay out from May to September, the months with highs of 20–26°C.
Figures from Météo-France’s Marolles les Br station, 14 km south-east.
A year in Grandchamp at a glance
Each month’s typical high and low in °C, at the Marolles les Br station.
What a year in Grandchamp feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Marolles les Br.
About 703 mm of rain a year
December is the wettest month and April the driest. About 19 days a year bring 10 mm or more. 12th wettest of 41 towns of 2,500+ in Sarthe.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Alençon
A frosty town: 51 frosts and 58 days of 25°C a year
On about 51 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 58 days a year reach 25°C, and 15 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Marolles les Br: 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 Marolles les Br
Marolles les Br is 14 km south-east of Grandchamp. Every figure on this page is the station’s, not a measurement in Grandchamp itself.
| Station (Météo-France number) | Marolles les Br (72189001) |
| Distance from the town | 14 km south-east |
| Station altitude | 65 m |
| Town altitude (its center) | 94 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6.5 km |
| Sunshine measured at | Alençon, 17 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 Grandchamp 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 Sarthe.
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 |
|---|---|---|---|---|
| Grandchamp | Marolles les Br | 25.8°C | 2.2°C | 703 mm |
| Fresnay-sur-Sarthe 8.4 km | Alençon | 24.3°C 1.5°C cooler | 2.1°C about the same | 744 mm |
| Mamers 15 km | La Fresnaye | 24.5°C 1.3°C cooler | 1.6°C 0.6°C colder | 770 mm |
| Saint-Germain-du-Corbéis 15 km | Alençon | 24.3°C 1.5°C cooler | 2.1°C about the same | 744 mm |
| Alençon 15 km | Alençon | 24.3°C 1.5°C cooler | 2.1°C about the same | 744 mm |
| La Bazoge 23 km | Le Mans | 26.0°C about the same | 2.7°C 0.5°C milder | 693 mm |
| Bonnétable 23 km | same station | 25.8°C about the same | 2.2°C about the same | 703 mm |
Grandchamp weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Marolles les Br station; sunshine at Alençon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.2°C | 2.2°C | 5.2°C | 63 mm | 60 |
| February | 9.6°C | 1.6°C | 5.6°C | 53 mm | 89 |
| March | 13.2°C | 3.2°C | 8.2°C | 54 mm | 134 |
| April | 16.6°C | 4.7°C | 10.7°C | 47 mm | 174 |
| May | 20.1°C | 8.4°C | 14.2°C | 59 mm | 198 |
| June | 23.5°C | 11.4°C | 17.4°C | 58 mm | 215 |
| July | 25.8°C | 12.8°C | 19.3°C | 53 mm | 222 |
| August | 25.8°C | 12.6°C | 19.2°C | 52 mm | 214 |
| September | 22.3°C | 9.7°C | 16.0°C | 51 mm | 174 |
| October | 17.2°C | 7.8°C | 12.5°C | 66 mm | 112 |
| November | 11.8°C | 4.6°C | 8.2°C | 69 mm | 73 |
| December | 8.6°C | 2.3°C | 5.4°C | 78 mm | 63 |
| Year | 16.9°C | 6.8°C | 11.8°C | 703 mm | 1,727 |
Where Grandchamp’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Marolles les Br, 14 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, Alençon, 17 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 Sarthe.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Grandchamp’s climate
How warm does Grandchamp get in summer?
July is the warmest month, with average highs of 25.8°C. About 58 days a year reach 25°C, fewer than 55% of mainland French towns, and about 15 reach 30°C.
How cold does Grandchamp get in winter?
February nights average 1.6°C. The air drops to 0°C or below on about 51 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Grandchamp get?
About 703 mm a year, less than 67% of mainland French towns. December is the wettest month (78 mm) and April the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Alençon (17 km away), averages 1,727 hours of sunshine a year.
Are these figures for Grandchamp itself?
No: they are the normals of the Météo-France station matched to Grandchamp, Marolles les Br, 14 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 MAROLLES LES BR, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Grandchamp →
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.