January in Saint-Mathurin stays gentler than in 90% of mainland French towns
Peak summer warmth arrives in July, with afternoons near 25.1°C. Rain peaks in November and eases off in June. It is a wet place: more rain falls here than on 85% of mainland French towns. Waterproofs come out on about 127 days a year, each with 1 mm of rain or more.
These are the figures of Météo-France’s La Mothe Achard station, 8.7 km north-east.
A year in Saint-Mathurin at a glance
Each month’s typical high and low in °C, at the La Mothe Achard station.
What a year in Saint-Mathurin feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at La Mothe Achard.
About 959 mm of rain a year
November is the wettest month and June the driest. About 30 days a year bring 10 mm or more. 2nd wettest of 75 towns of 2,500+ in Vendée.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Château-D’Olonne
26 frosts and 48 days of 25°C a year
On about 26 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 48 days a year reach 25°C, and 13 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at La Mothe Achard: 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 Mothe Achard
La Mothe Achard is 8.7 km north-east of Saint-Mathurin. Every figure on this page is the station’s, not a measurement in Saint-Mathurin itself.
| Station (Météo-France number) | La Mothe Achard (85152001) |
| Distance from the town | 8.7 km north-east |
| Station altitude | 58 m |
| Town altitude (its center) | 33 m |
| Period | 1991–2020 |
| Sunshine measured at | Château-D’Olonne, 9.8 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 Saint-Mathurin 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 |
|---|---|---|---|---|
| Saint-Mathurin | La Mothe Achard | 25.1°C | 3.8°C | 959 mm |
| Sainte-Foy 4.4 km | same station | 25.1°C about the same | 3.8°C about the same | 959 mm |
| L'Île-d'Olonne 5.3 km | same station | 25.1°C about the same | 3.8°C about the same | 959 mm |
| Les Achards 6.3 km | same station | 25.1°C about the same | 3.8°C about the same | 959 mm |
| Les Sables-d'Olonne 7.8 km | same station | 25.1°C about the same | 3.8°C about the same | 959 mm |
| Brem-sur-Mer 9.8 km | same station | 25.1°C about the same | 3.8°C about the same | 959 mm |
| Sainte-Flaive-des-Loups 12 km | same station | 25.1°C about the same | 3.8°C about the same | 959 mm |
Saint-Mathurin weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the La Mothe Achard station; sunshine at Château-D’Olonne.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.4°C | 3.8°C | 6.6°C | 105 mm | 92 |
| February | 10.4°C | 3.4°C | 6.9°C | 77 mm | 132 |
| March | 13.3°C | 5.0°C | 9.1°C | 69 mm | 178 |
| April | 15.8°C | 6.6°C | 11.2°C | 71 mm | 234 |
| May | 19.5°C | 9.9°C | 14.7°C | 62 mm | 260 |
| June | 23.0°C | 12.7°C | 17.9°C | 45 mm | 276 |
| July | 25.1°C | 14.2°C | 19.6°C | 50 mm | 291 |
| August | 25.2°C | 14.2°C | 19.7°C | 59 mm | 268 |
| September | 22.4°C | 11.9°C | 17.2°C | 82 mm | 227 |
| October | 17.8°C | 10.1°C | 14.0°C | 107 mm | 154 |
| November | 13.0°C | 6.6°C | 9.8°C | 119 mm | 111 |
| December | 10.1°C | 4.2°C | 7.2°C | 114 mm | 99 |
| Year | 17.1°C | 8.5°C | 12.8°C | 959 mm | 2,324 |
Where Saint-Mathurin’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for La Mothe Achard, 8.7 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, 9.8 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 Saint-Mathurin’s climate
How warm does Saint-Mathurin get in summer?
August is the warmest month, with average highs of 25.2°C. About 48 days a year reach 25°C, fewer than 71% of mainland French towns, and about 13 reach 30°C.
How cold does Saint-Mathurin get in winter?
February nights average 3.4°C. The air drops to 0°C or below on about 26 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Saint-Mathurin get?
About 959 mm a year, more than 85% of mainland French towns. November is the wettest month (119 mm) and June the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Château-D’Olonne (9.8 km away), averages 2,324 hours of sunshine a year.
Are these figures for Saint-Mathurin itself?
No: they are the normals of the Météo-France station matched to Saint-Mathurin, La Mothe Achard, 8.7 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 MOTHE ACHARD, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Mathurin →
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.