Le Fenouiller has milder winter nights than 92% of mainland French towns
In July the day’s top temperature is typically 24.9°C. The gap between a January night and a July afternoon is 21°C. Summers stay cool: July afternoons here are cooler than in 73% of mainland French towns. Frost greets about 30 mornings a year, so leave time to clear the car.
These are the figures of Météo-France’s Saint-Jean de Mont station, 14 km north-west.
A year in Le Fenouiller at a glance
Each month’s typical high and low in °C, at the Saint-Jean de Mont station.
What a year in Le Fenouiller feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Jean de Mont.
About 783 mm of rain a year
November is the wettest month and July the driest. About 25 days a year bring 10 mm or more. 52nd wettest of 75 towns of 2,500+ in Vendée.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Château-D’Olonne
30 frosts and 47 days of 25°C a year
On about 30 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 47 days a year reach 25°C, and 11 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Jean de Mont: 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-Jean de Mont
Saint-Jean de Mont is 14 km north-west of Le Fenouiller. Every figure on this page is the station’s, not a measurement in Le Fenouiller itself.
| Station (Météo-France number) | Saint-Jean de Mont (85234001) |
| Distance from the town | 14 km north-west |
| Station altitude | 3 m |
| Town altitude (its center) | 17 m |
| Period | 1991–2020 |
| Sunshine measured at | Château-D’Olonne, 30 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 Fenouiller 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 Vendée.
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 Fenouiller | Saint-Jean de Mont | 24.9°C | 4.1°C | 783 mm |
| Saint-Gilles-Croix-de-Vie 2.8 km | same station | 24.9°C about the same | 4.1°C about the same | 783 mm |
| Saint-Hilaire-de-Riez 4.4 km | same station | 24.9°C about the same | 4.1°C about the same | 783 mm |
| Commequiers 7.7 km | Le Perrier | 24.1°C 0.8°C cooler | 4.1°C about the same | 762 mm |
| Bretignolles-sur-Mer 9.7 km | La Mothe Achard | 25.1°C about the same | 3.8°C about the same | 959 mm |
| Soullans 9.8 km | Le Perrier | 24.1°C 0.8°C cooler | 4.1°C about the same | 762 mm |
| Coëx 11 km | La Mothe Achard | 25.1°C about the same | 3.8°C about the same | 959 mm |
Le Fenouiller weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Jean de Mont station; sunshine at Château-D’Olonne.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.0°C | 4.1°C | 7.1°C | 85 mm | 92 |
| February | 10.9°C | 3.5°C | 7.2°C | 63 mm | 132 |
| March | 13.8°C | 5.3°C | 9.6°C | 55 mm | 178 |
| April | 16.5°C | 7.0°C | 11.7°C | 58 mm | 234 |
| May | 19.8°C | 10.4°C | 15.1°C | 53 mm | 260 |
| June | 23.1°C | 13.2°C | 18.1°C | 39 mm | 276 |
| July | 24.9°C | 14.9°C | 19.9°C | 37 mm | 291 |
| August | 24.9°C | 14.7°C | 19.8°C | 45 mm | 268 |
| September | 22.5°C | 11.9°C | 17.2°C | 63 mm | 227 |
| October | 18.1°C | 10.1°C | 14.1°C | 94 mm | 154 |
| November | 13.7°C | 6.7°C | 10.2°C | 98 mm | 111 |
| December | 10.8°C | 4.5°C | 7.6°C | 95 mm | 99 |
| Year | 17.4°C | 8.9°C | 13.1°C | 783 mm | 2,324 |
Where Le Fenouiller’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Jean de Mont, 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, Château-D’Olonne, 30 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 Vendée.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Le Fenouiller’s climate
How warm does Le Fenouiller get in summer?
July is the warmest month, with average highs of 24.9°C. About 47 days a year reach 25°C, fewer than 73% of mainland French towns, and about 11 reach 30°C.
How cold does Le Fenouiller get in winter?
February nights average 3.5°C. The air drops to 0°C or below on about 30 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Le Fenouiller get?
About 783 mm a year, more than 57% of mainland French towns. November is the wettest month (98 mm) and July the driest (37 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Château-D’Olonne (30 km away), averages 2,324 hours of sunshine a year.
Are these figures for Le Fenouiller itself?
No: they are the normals of the Météo-France station matched to Le Fenouiller, Saint-Jean de Mont, 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 ST JEAN DE MONT, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Le Fenouiller →
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.