Fewer days reach 25 degrees in Saint-Mars-d'Égrenne than in 90% of mainland French towns
On a normal January night the air cools to about 2.1°C. Only 22°C separates winter nights from summer afternoons. It is a wet place: more rain falls here than on 70% of mainland French towns. Central heating does most of its work from November to March, in months below 10°C on average.
Figures from Météo-France’s Saint-Fraimbault station, 6.3 km south.
A year in Saint-Mars-d'Égrenne at a glance
Each month’s typical high and low in °C, at the Saint-Fraimbault station.
What a year in Saint-Mars-d'Égrenne feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Fraimbault.
About 850 mm of rain a year
December is the wettest month and June the driest. About 26 days a year bring 10 mm or more. 2nd wettest of 20 towns of 2,500+ in Orne.
Rain by month
Millimeters
40 frosts and 32 days of 25°C a year
On about 40 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 32 days a year reach 25°C, and 6 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Fraimbault: 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 Saint-Fraimbault
Saint-Fraimbault is 6.3 km south of Saint-Mars-d'Égrenne. Every figure on this page is the station’s, not a measurement in Saint-Mars-d'Égrenne itself.
| Station (Météo-France number) | Saint-Fraimbault (61387001) |
| Distance from the town | 6.3 km south |
| Station altitude | 158 m |
| Town altitude (its center) | 129 m |
| Period | 1994–2020 (the station’s own record) |
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 Saint-Mars-d'Égrenne 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 Orne.
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 |
|---|---|---|---|---|
| Saint-Mars-d'Égrenne | Saint-Fraimbault | 23.7°C | 2.1°C | 850 mm |
| Domfront en Poiraie 7.1 km | same station | 23.7°C about the same | 2.1°C about the same | 850 mm |
| Mortain-Bocage 17 km | Saint-Hilaire-du-H | 23.7°C about the same | 2.7°C 0.6°C milder | 930 mm |
| Ambrières-les-Vallées 18 km | Mayenne | 24.4°C 0.7°C warmer | 2.3°C about the same | 850 mm |
| Rives d'Andaine 21 km | same station | 23.7°C about the same | 2.1°C about the same | 850 mm |
| Tinchebray-Bocage 21 km | Legast | 21.5°C 2.2°C cooler | 2.2°C about the same | 1,271 mm |
| Bagnoles de l'Orne Normandie 23 km | same station | 23.7°C about the same | 2.1°C about the same | 850 mm |
Saint-Mars-d'Égrenne weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Fraimbault station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 7.5°C | 2.1°C | 4.8°C | 86 mm |
| February | 8.7°C | 2.1°C | 5.4°C | 71 mm |
| March | 11.6°C | 3.4°C | 7.5°C | 64 mm |
| April | 15.0°C | 5.1°C | 10.0°C | 58 mm |
| May | 18.1°C | 8.4°C | 13.3°C | 65 mm |
| June | 21.5°C | 11.3°C | 16.4°C | 52 mm |
| July | 23.7°C | 12.7°C | 18.2°C | 63 mm |
| August | 23.6°C | 12.6°C | 18.1°C | 57 mm |
| September | 20.6°C | 10.0°C | 15.3°C | 62 mm |
| October | 16.1°C | 8.3°C | 12.2°C | 83 mm |
| November | 11.1°C | 5.0°C | 8.1°C | 87 mm |
| December | 8.0°C | 2.6°C | 5.3°C | 101 mm |
| Year | 15.5°C | 7.0°C | 11.2°C | 850 mm |
Where Saint-Mars-d'Égrenne’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Fraimbault, 6.3 km away: statistics for 1991–2020 (the station’s own years, 1994–2020, where its record is shorter).
- 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 Orne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Mars-d'Égrenne’s climate
How warm does Saint-Mars-d'Égrenne get in summer?
July is the warmest month, with average highs of 23.7°C. About 32 days a year reach 25°C, fewer than 90% of mainland French towns, and about 6 reach 30°C.
How cold does Saint-Mars-d'Égrenne get in winter?
January nights average 2.1°C. The air drops to 0°C or below on about 40 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Saint-Mars-d'Égrenne get?
About 850 mm a year, more than 70% of mainland French towns. December is the wettest month (101 mm) and June the driest (52 mm).
Are these figures for Saint-Mars-d'Égrenne itself?
No: they are the normals of the Météo-France station matched to Saint-Mars-d'Égrenne, Saint-Fraimbault, 6.3 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 ST-FRAIMBAULT, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Mars-d'Égrenne →
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.