Bais gets more frosts than 68% of mainland French towns
Météo-France’s Évron station, 9.7 km south: January nights average 2.1°C, July afternoons 25.2°C, and a year brings 804 mm of rain. Summers stay cool: July afternoons here are cooler than in 68% of mainland French towns. Rain is plentiful here, more than falls on 61% of mainland French towns.
A year in Bais at a glance
Each month’s typical high and low in °C, at the Évron station.
What a year in Bais feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Évron.
About 804 mm of rain a year
December is the wettest month and August the driest. About 24 days a year bring 10 mm or more. 5th wettest of 19 towns of 2,500+ in Mayenne.
Rain by month
Millimeters
49 frosts and 51 days of 25°C a year
On about 49 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 51 days a year reach 25°C, and 13 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Évron: 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 Évron
Évron is 9.7 km south of Bais. Every figure on this page is the station’s, not a measurement in Bais itself.
| Station (Météo-France number) | Évron (53097001) |
| Distance from the town | 9.7 km south |
| Station altitude | 107 m |
| Town altitude (its center) | 210 m |
| Period | 1991–2020 |
Bais sits 103 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Bais to run about 0.7°C cooler than these figures.
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 Bais 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 |
|---|---|---|---|---|
| Bais | Évron | 25.2°C | 2.1°C | 804 mm |
| Villaines-la-Juhel 12 km | same station | 25.2°C about the same | 2.1°C about the same | 804 mm |
| Évron 12 km | same station | 25.2°C about the same | 2.1°C about the same | 804 mm |
| Montsûrs 19 km | Argentré | 25.2°C about the same | 2.2°C about the same | 781 mm |
| Mayenne 20 km | Mayenne | 24.4°C 0.8°C cooler | 2.3°C about the same | 850 mm |
| Ambrières-les-Vallées 26 km | Mayenne | 24.4°C 0.8°C cooler | 2.3°C about the same | 850 mm |
| Argentré 28 km | Argentré | 25.2°C about the same | 2.2°C about the same | 781 mm |
Bais weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Évron station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 8.1°C | 2.1°C | 5.1°C | 81 mm |
| February | 9.4°C | 1.7°C | 5.5°C | 66 mm |
| March | 12.8°C | 3.4°C | 8.1°C | 58 mm |
| April | 16.0°C | 5.0°C | 10.5°C | 56 mm |
| May | 19.6°C | 8.5°C | 14.0°C | 61 mm |
| June | 23.0°C | 11.3°C | 17.1°C | 56 mm |
| July | 25.2°C | 12.9°C | 19.0°C | 53 mm |
| August | 25.2°C | 12.7°C | 19.0°C | 52 mm |
| September | 21.8°C | 10.0°C | 15.9°C | 64 mm |
| October | 16.6°C | 8.1°C | 12.4°C | 80 mm |
| November | 11.6°C | 4.6°C | 8.1°C | 84 mm |
| December | 8.6°C | 2.3°C | 5.5°C | 94 mm |
| Year | 16.5°C | 6.9°C | 11.7°C | 804 mm |
Where Bais’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Évron, 9.7 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 Bais’s climate
How warm does Bais get in summer?
July is the warmest month, with average highs of 25.2°C. About 51 days a year reach 25°C, fewer than 66% of mainland French towns, and about 13 reach 30°C.
How cold does Bais get in winter?
February nights average 1.7°C. The air drops to 0°C or below on about 49 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Bais get?
About 804 mm a year, more than 61% of mainland French towns. December is the wettest month (94 mm) and August the driest (52 mm).
Are these figures for Bais itself?
No: they are the normals of the Météo-France station matched to Bais, Évron, 9.7 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 EVRON, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Bais →
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.