Bournezeau has milder winter nights than 77% of mainland French towns
The warmest part of a July day comes in at 24.9°C on average. Temperatures cover 22°C across the year, low to high. Rain is plentiful here, more than falls on 76% of mainland French towns. Keep the boiler serviced for the months from November to March, which average under 10°C.
Figures from Météo-France’s La Roche-sur-Yon station, 19 km north-west.
A year in Bournezeau at a glance
Each month’s typical high and low in °C, at the La Roche-sur-Yon station.
What a year in Bournezeau feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at La Roche-sur-Yon.
About 886 mm of rain a year
November is the wettest month and June the driest. About 28 days a year bring 10 mm or more. 17th wettest of 75 towns of 2,500+ in Vendée.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at La Roche-sur-Yon
33 frosts and 47 days of 25°C a year
On about 33 nights a year the air drops to 0°C or below, and on about 2 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 La Roche-sur-Yon: 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 La Roche-sur-Yon
La Roche-sur-Yon is 19 km north-west of Bournezeau. Every figure on this page is the station’s, not a measurement in Bournezeau itself.
| Station (Météo-France number) | La Roche-sur-Yon (85191003) |
| Distance from the town | 19 km north-west |
| Station altitude | 88 m |
| Town altitude (its center) | 79 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
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 Bournezeau 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 |
|---|---|---|---|---|
| Bournezeau | La Roche-sur-Yon | 24.9°C | 3.2°C | 886 mm |
| Saint-Martin-des-Noyers 10 km | same station | 24.9°C about the same | 3.2°C about the same | 886 mm |
| Chantonnay 10 km | same station | 24.9°C about the same | 3.2°C about the same | 886 mm |
| La Chaize-le-Vicomte 11 km | same station | 24.9°C about the same | 3.2°C about the same | 886 mm |
| Saint-Jean-d'Hermine 11 km | Sainte-Gemme-la-Plaine | 26.1°C 1.2°C warmer | 3.3°C about the same | 809 mm |
| Mareuil-sur-Lay-Dissais 12 km | Sainte-Gemme-la-Plaine | 26.1°C 1.2°C warmer | 3.3°C about the same | 809 mm |
| Rives de l'Yon 14 km | same station | 24.9°C about the same | 3.2°C about the same | 886 mm |
Bournezeau weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the La Roche-sur-Yon station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.0°C | 3.2°C | 6.1°C | 95 mm | 74 |
| February | 10.1°C | 2.7°C | 6.4°C | 71 mm | 106 |
| March | 13.1°C | 4.4°C | 8.8°C | 64 mm | 151 |
| April | 15.7°C | 6.0°C | 10.9°C | 66 mm | 184 |
| May | 19.3°C | 9.3°C | 14.3°C | 62 mm | 211 |
| June | 22.8°C | 12.3°C | 17.5°C | 45 mm | 229 |
| July | 24.9°C | 13.9°C | 19.4°C | 48 mm | 241 |
| August | 25.1°C | 13.9°C | 19.5°C | 52 mm | 236 |
| September | 22.1°C | 11.4°C | 16.8°C | 72 mm | 199 |
| October | 17.3°C | 9.4°C | 13.4°C | 99 mm | 129 |
| November | 12.5°C | 5.9°C | 9.2°C | 108 mm | 89 |
| December | 9.5°C | 3.6°C | 6.5°C | 104 mm | 74 |
| Year | 16.8°C | 8.0°C | 12.4°C | 886 mm | 1,922 |
Where Bournezeau’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for La Roche-sur-Yon, 19 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, La Roche-sur-Yon, 19 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 Bournezeau’s climate
How warm does Bournezeau get in summer?
August is the warmest month, with average highs of 25.1°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 Bournezeau get in winter?
February nights average 2.7°C. The air drops to 0°C or below on about 33 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Bournezeau get?
About 886 mm a year, more than 76% of mainland French towns. November is the wettest month (108 mm) and June the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, La Roche-sur-Yon (19 km away), averages 1,922 hours of sunshine a year.
Are these figures for Bournezeau itself?
No: they are the normals of the Météo-France station matched to Bournezeau, La Roche-sur-Yon, 19 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 LA ROCHE SUR YON, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Bournezeau →
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.