No extremes in Trans: its weather tracks the middle of mainland French towns
About 804 mm of rain falls in a typical year; July afternoons reach 25.2°C and January nights drop to 2.1°C. Seasons differ by 24°C, from the coldest nights to the warmest afternoons. Frost is common: about 49 nights a year drop below freezing, more than in 68% of mainland French towns. Wet days, with 1 mm of rain or more, come about 122 times a year.
Figures from Météo-France’s Évron station, 14 km south-west.
A year in Trans at a glance
Each month’s typical high and low in °C, at the Évron station.
What a year in Trans 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
Sunshine by month
Hours of sunshine at Alençon
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 14 km south-west of Trans. Every figure on this page is the station’s, not a measurement in Trans itself.
| Station (Météo-France number) | Évron (53097001) |
| Distance from the town | 14 km south-west |
| Station altitude | 107 m |
| Town altitude (its center) | 263 m |
| Period | 1991–2020 |
| Sunshine measured at | Alençon, 36 km away |
Trans sits 156 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Trans to run about 1°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 Trans 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 |
|---|---|---|---|---|
| Trans | Évron | 25.2°C | 2.1°C | 804 mm |
| Villaines-la-Juhel 7.5 km | same station | 25.2°C about the same | 2.1°C about the same | 804 mm |
| Évron 16 km | same station | 25.2°C about the same | 2.1°C about the same | 804 mm |
| Mayenne 23 km | Mayenne | 24.4°C 0.8°C cooler | 2.3°C about the same | 850 mm |
| Montsûrs 24 km | Argentré | 25.2°C about the same | 2.2°C about the same | 781 mm |
| Ambrières-les-Vallées 28 km | Mayenne | 24.4°C 0.8°C cooler | 2.3°C about the same | 850 mm |
| Fresnay-sur-Sarthe 28 km | Alençon | 24.3°C 0.9°C cooler | 2.1°C about the same | 744 mm |
Trans weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Évron station; sunshine at Alençon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.1°C | 2.1°C | 5.1°C | 81 mm | 60 |
| February | 9.4°C | 1.7°C | 5.5°C | 66 mm | 89 |
| March | 12.8°C | 3.4°C | 8.1°C | 58 mm | 134 |
| April | 16.0°C | 5.0°C | 10.5°C | 56 mm | 174 |
| May | 19.6°C | 8.5°C | 14.0°C | 61 mm | 198 |
| June | 23.0°C | 11.3°C | 17.1°C | 56 mm | 215 |
| July | 25.2°C | 12.9°C | 19.0°C | 53 mm | 222 |
| August | 25.2°C | 12.7°C | 19.0°C | 52 mm | 214 |
| September | 21.8°C | 10.0°C | 15.9°C | 64 mm | 174 |
| October | 16.6°C | 8.1°C | 12.4°C | 80 mm | 112 |
| November | 11.6°C | 4.6°C | 8.1°C | 84 mm | 73 |
| December | 8.6°C | 2.3°C | 5.5°C | 94 mm | 63 |
| Year | 16.5°C | 6.9°C | 11.7°C | 804 mm | 1,727 |
Where Trans’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Évron, 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, 36 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 Mayenne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Trans’s climate
How warm does Trans 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 Trans 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 Trans 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).
How sunny is it?
The nearest Météo-France station that records sunshine, Alençon (36 km away), averages 1,727 hours of sunshine a year.
Are these figures for Trans itself?
No: they are the normals of the Météo-France station matched to Trans, Évron, 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 EVRON, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Trans →
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.