Ice on the ground: Duneau sees more frosts than 83% of mainland French towns
Expect July afternoons of about 25.8°C. A year here swings 25°C from midwinter lows to midsummer highs. Plan for rain on about 129 days a year, the days with 1 mm or more.
Figures from Météo-France’s Cormes station, 19 km north-east.
A year in Duneau at a glance
Each month’s typical high and low in °C, at the Cormes station.
What a year in Duneau feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Cormes.
About 759 mm of rain a year
December is the wettest month and August the driest. About 24 days a year bring 10 mm or more. 2nd wettest of 41 towns of 2,500+ in Sarthe.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Le Mans
A frosty town: 62 frosts and 57 days of 25°C a year
On about 62 nights a year the air drops to 0°C or below, and on about 4 days it stays below freezing all day. About 57 days a year reach 25°C, and 17 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Cormes: 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 Cormes
Cormes is 19 km north-east of Duneau. Every figure on this page is the station’s, not a measurement in Duneau itself.
| Station (Météo-France number) | Cormes (72093001) |
| Distance from the town | 19 km north-east |
| Station altitude | 122 m |
| Town altitude (its center) | 98 m |
| Period | 1991–2020 |
| Nearest station of any kind | 5.8 km |
| Sunshine measured at | Le Mans, 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 Duneau 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 |
|---|---|---|---|---|
| Duneau | Cormes | 25.8°C | 1.7°C | 759 mm |
| Connerré 2.1 km | same station | 25.8°C about the same | 1.7°C about the same | 759 mm |
| Montfort-le-Gesnois 8 km | Le Mans | 26.0°C about the same | 2.7°C 1°C milder | 693 mm |
| Saint-Mars-la-Brière 11 km | Le Mans | 26.0°C about the same | 2.7°C 1°C milder | 693 mm |
| Bonnétable 14 km | Marolles les Br | 25.8°C about the same | 2.2°C 0.5°C milder | 703 mm |
| Champagné 15 km | Le Mans | 26.0°C about the same | 2.7°C 1°C milder | 693 mm |
| Savigné-l'Évêque 17 km | Le Mans | 26.0°C about the same | 2.7°C 1°C milder | 693 mm |
Duneau weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Cormes station; sunshine at Le Mans.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.3°C | 1.7°C | 4.5°C | 72 mm | 65 |
| February | 9.0°C | 1.1°C | 5.0°C | 58 mm | 94 |
| March | 12.8°C | 2.7°C | 7.8°C | 59 mm | 139 |
| April | 16.3°C | 4.2°C | 10.3°C | 52 mm | 180 |
| May | 19.8°C | 7.9°C | 13.8°C | 66 mm | 207 |
| June | 23.3°C | 11.0°C | 17.2°C | 60 mm | 221 |
| July | 25.8°C | 12.6°C | 19.2°C | 55 mm | 233 |
| August | 25.7°C | 12.6°C | 19.1°C | 51 mm | 226 |
| September | 21.9°C | 9.8°C | 15.8°C | 53 mm | 185 |
| October | 16.5°C | 7.7°C | 12.1°C | 71 mm | 118 |
| November | 11.0°C | 4.3°C | 7.6°C | 74 mm | 75 |
| December | 7.7°C | 2.1°C | 4.9°C | 89 mm | 67 |
| Year | 16.4°C | 6.5°C | 11.4°C | 759 mm | 1,809 |
Where Duneau’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Cormes, 19 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, Le Mans, 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 Sarthe.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Duneau’s climate
How warm does Duneau get in summer?
July is the warmest month, with average highs of 25.8°C. About 57 days a year reach 25°C, fewer than 58% of mainland French towns, and about 17 reach 30°C.
How cold does Duneau get in winter?
February nights average 1.1°C. The air drops to 0°C or below on about 62 nights a year, and about 4 days a year stay below freezing all day.
How much rain does Duneau get?
About 759 mm a year, more than 51% of mainland French towns. December is the wettest month (89 mm) and August the driest (51 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Le Mans (27 km away), averages 1,809 hours of sunshine a year.
Are these figures for Duneau itself?
No: they are the normals of the Météo-France station matched to Duneau, Cormes, 19 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 CORMES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Duneau →
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.