Few mainland French towns have cooler summers than Fermanville
January nights here settle around 3.9°C. The year changes little: the coldest month’s nights and the warmest month’s afternoons are only 17°C apart. By frosts alone, it ranks gentler than 96% of mainland French towns. Wet days, with 1 mm of rain or more, come about 140 times a year.
Figures from Météo-France’s Gonneville station, 3.5 km south.
A year in Fermanville at a glance
Each month’s typical high and low in °C, at the Gonneville station.
What a year in Fermanville feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Gonneville.
About 940 mm of rain a year
December is the wettest month and July the driest. About 28 days a year bring 10 mm or more. 26th wettest of 39 towns of 2,500+ in Manche.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Caen-Carpiquet
13 frosts and 6 days of 25°C a year
On about 13 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 6 days a year reach 25°C, and under 1 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Gonneville: 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 Gonneville
Gonneville is 3.5 km south of Fermanville. Every figure on this page is the station’s, not a measurement in Fermanville itself.
| Station (Météo-France number) | Gonneville (50209001) |
| Distance from the town | 3.5 km south |
| Station altitude | 134 m |
| Town altitude (its center) | 44 m |
| Period | 1991–2020 |
| Sunshine measured at | Caen-Carpiquet, 91 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 Fermanville 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, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Fermanville | Gonneville | 20.0°C | 3.9°C | 940 mm |
| Cherbourg-en-Cotentin 14 km | Cherbourg-Homet | 20.2°C about the same | 5.4°C 1.5°C milder | 964 mm |
| Valognes 19 km | Cherbourg-Homet | 20.2°C about the same | 5.4°C 1.5°C milder | 964 mm |
| La Hague 25 km | Cherbourg-Homet | 20.2°C about the same | 5.4°C 1.5°C milder | 964 mm |
| Bricquebec-en-Cotentin 27 km | Cherbourg-Homet | 20.2°C about the same | 5.4°C 1.5°C milder | 964 mm |
Fermanville weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Gonneville station; sunshine at Caen-Carpiquet.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.2°C | 3.9°C | 6.0°C | 102 mm | 71 |
| February | 8.4°C | 3.6°C | 6.0°C | 75 mm | 90 |
| March | 10.2°C | 4.8°C | 7.5°C | 65 mm | 130 |
| April | 12.5°C | 6.1°C | 9.3°C | 60 mm | 179 |
| May | 15.2°C | 8.7°C | 12.0°C | 57 mm | 203 |
| June | 18.1°C | 11.2°C | 14.6°C | 52 mm | 213 |
| July | 20.0°C | 13.1°C | 16.5°C | 49 mm | 219 |
| August | 20.2°C | 13.4°C | 16.8°C | 62 mm | 205 |
| September | 18.2°C | 12.0°C | 15.1°C | 69 mm | 171 |
| October | 15.1°C | 9.6°C | 12.3°C | 112 mm | 117 |
| November | 11.4°C | 6.7°C | 9.0°C | 114 mm | 82 |
| December | 9.0°C | 4.6°C | 6.8°C | 125 mm | 67 |
| Year | 13.9°C | 8.1°C | 11.0°C | 940 mm | 1,746 |
Where Fermanville’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Gonneville, 3.5 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, Caen-Carpiquet, 91 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 Fermanville’s climate
How warm does Fermanville get in summer?
August is the warmest month, with average highs of 20.2°C. About 6 days a year reach 25°C, fewer than almost every mainland French town, and about under 1 reach 30°C.
How cold does Fermanville get in winter?
February nights average 3.6°C. The air drops to 0°C or below on about 13 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Fermanville get?
About 940 mm a year, more than 82% of mainland French towns. December is the wettest month (125 mm) and July the driest (49 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Caen-Carpiquet (91 km away), averages 1,746 hours of sunshine a year.
Are these figures for Fermanville itself?
No: they are the normals of the Météo-France station matched to Fermanville, Gonneville, 3.5 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 GONNEVILLE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Fermanville →
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.