Le Mesnil is among the mainland French towns with the fewest days of 25 degrees or more
Nights in January average 5.4°C. Wet weather is most frequent in December and least in July. Only about 5 nights a year bring a frost, fewer than in 98% of mainland French towns. Picnics, hikes and garden evenings come into their own from June to September, with highs of 18–21°C.
These are the figures of Météo-France’s Cherbourg-Homet station, 32 km north; at that distance they describe the area more than the town.
A year in Le Mesnil at a glance
Each month’s typical high and low in °C, at the Cherbourg-Homet station.
What a year in Le Mesnil feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Cherbourg-Homet.
About 964 mm of rain a year
December is the wettest month and July the driest. About 31 days a year bring 10 mm or more. 13th wettest of 39 towns of 2,500+ in Manche.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Dinard
5 frosts and 5 days of 25°C a year
On about 5 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 5 days a year reach 25°C, and under 1 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Cherbourg-Homet: 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 Cherbourg-Homet
Cherbourg-Homet is 32 km north of Le Mesnil. Every figure on this page is the station’s, not a measurement in Le Mesnil itself.
| Station (Météo-France number) | Cherbourg-Homet (50129001) |
| Distance from the town | 32 km north |
| Station altitude | 19 m |
| Town altitude (its center) | 34 m |
| Period | 1991–2014 (the station’s own record) |
| Nearest station of any kind | 30 km |
| Sunshine measured at | Dinard, 92 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 Le Mesnil 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 Manche.
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 |
|---|---|---|---|---|
| Le Mesnil | Cherbourg-Homet | 20.2°C | 5.4°C | 964 mm |
| Port-Bail-sur-Mer 4.2 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
| Bricquebec-en-Cotentin 12 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
| La Haye 12 km | Coutances | 22.5°C 2.3°C warmer | 3.2°C 2.2°C colder | 1,093 mm |
| Les Pieux 18 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
| Picauville 21 km | Sainte-Marie du Mo | 21.6°C 1.4°C warmer | 3.6°C 1.8°C colder | 890 mm |
| Valognes 22 km | same station | 20.2°C about the same | 5.4°C about the same | 964 mm |
Le Mesnil weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Cherbourg-Homet station; sunshine at Dinard.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.4°C | 5.4°C | 7.4°C | 105 mm | 69 |
| February | 9.4°C | 5.1°C | 7.3°C | 81 mm | 91 |
| March | 11.1°C | 6.3°C | 8.7°C | 66 mm | 133 |
| April | 12.9°C | 7.5°C | 10.2°C | 63 mm | 179 |
| May | 15.4°C | 9.9°C | 12.7°C | 55 mm | 203 |
| June | 18.4°C | 12.4°C | 15.4°C | 52 mm | 208 |
| July | 20.2°C | 14.5°C | 17.3°C | 48 mm | 221 |
| August | 20.7°C | 15.1°C | 17.9°C | 52 mm | 201 |
| September | 19.0°C | 13.8°C | 16.4°C | 67 mm | 170 |
| October | 16.2°C | 11.5°C | 13.8°C | 115 mm | 114 |
| November | 12.6°C | 8.5°C | 10.5°C | 122 mm | 80 |
| December | 10.0°C | 6.0°C | 8.0°C | 139 mm | 66 |
| Year | 14.6°C | 9.7°C | 12.1°C | 964 mm | 1,733 |
Where Le Mesnil’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Cherbourg-Homet, 32 km away: statistics for 1991–2020 (the station’s own years, 1991–2014, 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.
- Sunshine: the nearest station with at least 10 years of sunshine records, Dinard, 92 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 Manche.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Le Mesnil’s climate
How warm does Le Mesnil get in summer?
August is the warmest month, with average highs of 20.7°C. About 5 days a year reach 25°C, fewer than almost every mainland French town, and about under 1 reach 30°C.
How cold does Le Mesnil get in winter?
February nights average 5.1°C. The air drops to 0°C or below on about 5 nights a year, and about 0 days a year stay below freezing all day.
How much rain does Le Mesnil get?
About 964 mm a year, more than 85% of mainland French towns. December is the wettest month (139 mm) and July the driest (48 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Dinard (92 km away), averages 1,733 hours of sunshine a year.
Are these figures for Le Mesnil itself?
No: they are the normals of the Météo-France station matched to Le Mesnil, Cherbourg-Homet, 32 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 CHERBOURG-HOMET, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Le Mesnil →
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.