In Chailland, July heat, January chill and rainfall all sit near the middle of mainland French towns
A typical July afternoon reaches 25.2°C, a January night drops to 2.2°C, and 781 mm of rain falls in a year. Days of 25°C are scarce: about 50 a year, fewer than in 68% of mainland French towns. Wet weather is most frequent in December and least in July. The outdoor season runs from May to September, with highs of 20–25°C.
Figures from Météo-France’s Argentré station, 22 km south-east.
A year in Chailland at a glance
Each month’s typical high and low in °C, at the Argentré station.
What a year in Chailland feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Argentré.
About 781 mm of rain a year
December is the wettest month and July the driest. About 22 days a year bring 10 mm or more. 11th wettest of 19 towns of 2,500+ in Mayenne.
Rain by month
Millimeters
45 frosts and 50 days of 25°C a year
On about 45 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 50 days a year reach 25°C, and 11 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Argentré: 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 Argentré
Argentré is 22 km south-east of Chailland. Every figure on this page is the station’s, not a measurement in Chailland itself.
| Station (Météo-France number) | Argentré (53007001) |
| Distance from the town | 22 km south-east |
| Station altitude | 107 m |
| Town altitude (its center) | 107 m |
| Period | 1991–2020 |
| Nearest station of any kind | 3.1 km |
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 Chailland 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 Mayenne.
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 |
|---|---|---|---|---|
| Chailland | Argentré | 25.2°C | 2.2°C | 781 mm |
| Ernée 8.9 km | Mayenne | 24.4°C 0.8°C cooler | 2.3°C about the same | 850 mm |
| Changé 16 km | Laval-Etronnier | 24.6°C 0.6°C cooler | 2.7°C 0.5°C milder | 757 mm |
| Louverné 17 km | same station | 25.2°C about the same | 2.2°C about the same | 781 mm |
| Saint-Berthevin 18 km | Laval-Etronnier | 24.6°C 0.6°C cooler | 2.7°C 0.5°C milder | 757 mm |
| Loiron-Ruillé 19 km | Cossé-le-Vivien | 25.4°C about the same | 2.5°C about the same | 796 mm |
| Laval 19 km | Laval-Etronnier | 24.6°C 0.6°C cooler | 2.7°C 0.5°C milder | 757 mm |
Chailland weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Argentré station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 8.3°C | 2.2°C | 5.3°C | 79 mm |
| February | 9.6°C | 1.8°C | 5.7°C | 60 mm |
| March | 12.9°C | 3.5°C | 8.2°C | 56 mm |
| April | 16.1°C | 5.1°C | 10.6°C | 56 mm |
| May | 19.6°C | 8.5°C | 14.0°C | 58 mm |
| June | 23.0°C | 11.4°C | 17.2°C | 53 mm |
| July | 25.2°C | 12.9°C | 19.0°C | 51 mm |
| August | 25.3°C | 12.9°C | 19.1°C | 52 mm |
| September | 21.9°C | 10.3°C | 16.1°C | 65 mm |
| October | 16.8°C | 8.2°C | 12.5°C | 80 mm |
| November | 11.7°C | 4.7°C | 8.2°C | 79 mm |
| December | 8.7°C | 2.5°C | 5.6°C | 91 mm |
| Year | 16.6°C | 7.0°C | 11.8°C | 781 mm |
Where Chailland’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Argentré, 22 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.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Mayenne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Chailland’s climate
How warm does Chailland get in summer?
August is the warmest month, with average highs of 25.3°C. About 50 days a year reach 25°C, fewer than 68% of mainland French towns, and about 11 reach 30°C.
How cold does Chailland get in winter?
February nights average 1.8°C. The air drops to 0°C or below on about 45 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Chailland get?
About 781 mm a year, more than 55% of mainland French towns. December is the wettest month (91 mm) and July the driest (51 mm).
Are these figures for Chailland itself?
No: they are the normals of the Météo-France station matched to Chailland, Argentré, 22 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 ARGENTRE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Chailland →
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.