In Montaigu-Vendée, July heat, January chill and rainfall all sit near the middle of mainland French towns
About 831 mm of rain falls in a typical year; July afternoons reach 25.8°C and January nights drop to 2.9°C. Winters are mild: January nights here are milder than in 72% of mainland French towns. Winter and summer sit 24°C apart. Frost greets about 39 mornings a year, so leave time to clear the car.
These are the figures of Météo-France’s Rocheservière station, 13 km west.
A year in Montaigu-Vendée at a glance
Each month’s typical high and low in °C, at the Rocheservière station.
What a year in Montaigu-Vendée feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Rocheservière.
About 831 mm of rain a year
December is the wettest month and June the driest. About 26 days a year bring 10 mm or more. 42nd wettest of 75 towns of 2,500+ in Vendée.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Nantes-Bouguenais
39 frosts and 57 days of 25°C a year
On about 39 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 57 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Rocheservière: 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 Rocheservière
Rocheservière is 13 km west of Montaigu-Vendée. Every figure on this page is the station’s, not a measurement in Montaigu-Vendée itself.
| Station (Météo-France number) | Rocheservière (85190001) |
| Distance from the town | 13 km west |
| Station altitude | 43 m |
| Town altitude (its center) | 45 m |
| Period | 1991–2020 |
| Sunshine measured at | Nantes-Bouguenais, 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 Montaigu-Vendée 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 |
|---|---|---|---|---|
| Montaigu-Vendée | Rocheservière | 25.8°C | 2.9°C | 831 mm |
| Treize-Septiers 6.3 km | Le Pallet | 25.8°C about the same | 3.4°C 0.5°C milder | 772 mm |
| L'Herbergement 8.2 km | same station | 25.8°C about the same | 2.9°C about the same | 831 mm |
| Vieillevigne 9.1 km | same station | 25.8°C about the same | 2.9°C about the same | 831 mm |
| Les Brouzils 9.4 km | same station | 25.8°C about the same | 2.9°C about the same | 831 mm |
| La Bruffière 9.9 km | Le Pallet | 25.8°C about the same | 3.4°C 0.5°C milder | 772 mm |
| Chavagnes-en-Paillers 10 km | same station | 25.8°C about the same | 2.9°C about the same | 831 mm |
Montaigu-Vendée weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Rocheservière station; sunshine at Nantes-Bouguenais.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.4°C | 2.9°C | 6.1°C | 88 mm | 73 |
| February | 10.5°C | 2.2°C | 6.4°C | 66 mm | 102 |
| March | 13.5°C | 3.9°C | 8.7°C | 61 mm | 147 |
| April | 16.3°C | 5.4°C | 10.9°C | 62 mm | 183 |
| May | 20.0°C | 8.9°C | 14.5°C | 57 mm | 203 |
| June | 23.6°C | 11.9°C | 17.7°C | 45 mm | 213 |
| July | 25.8°C | 13.4°C | 19.6°C | 48 mm | 229 |
| August | 26.0°C | 13.2°C | 19.6°C | 48 mm | 233 |
| September | 22.8°C | 10.5°C | 16.7°C | 67 mm | 199 |
| October | 17.9°C | 8.9°C | 13.4°C | 90 mm | 123 |
| November | 12.9°C | 5.5°C | 9.2°C | 96 mm | 91 |
| December | 9.9°C | 3.3°C | 6.6°C | 102 mm | 78 |
| Year | 17.4°C | 7.5°C | 12.4°C | 831 mm | 1,873 |
Where Montaigu-Vendée’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Rocheservière, 13 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, Nantes-Bouguenais, 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 Montaigu-Vendée’s climate
How warm does Montaigu-Vendée get in summer?
August is the warmest month, with average highs of 26.0°C. About 57 days a year reach 25°C, fewer than 57% of mainland French towns, and about 16 reach 30°C.
How cold does Montaigu-Vendée get in winter?
February nights average 2.2°C. The air drops to 0°C or below on about 39 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Montaigu-Vendée get?
About 831 mm a year, more than 67% of mainland French towns. December is the wettest month (102 mm) and June the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Nantes-Bouguenais (30 km away), averages 1,873 hours of sunshine a year.
Are these figures for Montaigu-Vendée itself?
No: they are the normals of the Météo-France station matched to Montaigu-Vendée, Rocheservière, 13 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 ROCHESERVIERE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Montaigu-Vendée →
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.