Neither notably warm, cold, wet nor dry, La Devise sits near the middle of mainland French towns
About 837 mm of rain falls in a typical year; July afternoons reach 27.0°C and January nights drop to 2.8°C. Warm afternoons come more often than in 70% of mainland French towns. November is the wettest month, July the driest. Central heating does most of its work from November to March, in months below 10°C on average.
These are the figures of Météo-France’s Prin-Deyrançon station, 21 km north-east.
A year in La Devise at a glance
Each month’s typical high and low in °C, at the Prin-Deyrançon station.
What a year in La Devise feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Prin-Deyrançon.
About 837 mm of rain a year
November is the wettest month and July the driest. About 26 days a year bring 10 mm or more. 20th wettest of 54 towns of 2,500+ in Charente-Maritime.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at La Rochelle-Île de Re
45 frosts and 77 days of 25°C a year
On about 45 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 77 days a year reach 25°C, and 24 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Prin-Deyrançon: 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 Prin-Deyrançon
Prin-Deyrançon is 21 km north-east of La Devise. Every figure on this page is the station’s, not a measurement in La Devise itself.
| Station (Météo-France number) | Prin-Deyrançon (79220001) |
| Distance from the town | 21 km north-east |
| Station altitude | 14 m |
| Town altitude (its center) | 12 m |
| Period | 1991–2019 (the station’s own record) |
| Nearest station of any kind | 17 km |
| Sunshine measured at | La Rochelle-Île de Re, 37 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 La Devise 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 Charente-Maritime.
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 |
|---|---|---|---|---|
| La Devise | Prin-Deyrançon | 27.0°C | 2.8°C | 837 mm |
| Surgères 6.2 km | same station | 27.0°C about the same | 2.8°C about the same | 837 mm |
| Tonnay-Charente 16 km | Saint-Agnant | 25.5°C 1.5°C cooler | 4.0°C 1.2°C milder | 778 mm |
| Aigrefeuille-d'Aunis 16 km | Saint-Laurent Prée-Inrae | 25.0°C 2°C cooler | 3.5°C 0.7°C milder | 781 mm |
| Mauzé-sur-le-Mignon 17 km | same station | 27.0°C about the same | 2.8°C about the same | 837 mm |
| Rochefort 21 km | Saint-Agnant | 25.5°C 1.5°C cooler | 4.0°C 1.2°C milder | 778 mm |
| Saint-Jean-d'Angély 21 km | Nuaille sur Boutonne | 26.8°C about the same | 2.9°C about the same | 849 mm |
La Devise weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Prin-Deyrançon station; sunshine at La Rochelle-Île de Re.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.3°C | 2.8°C | 6.0°C | 85 mm | 91 |
| February | 10.8°C | 2.1°C | 6.4°C | 63 mm | 131 |
| March | 14.6°C | 3.9°C | 9.2°C | 63 mm | 179 |
| April | 17.4°C | 5.6°C | 11.5°C | 65 mm | 231 |
| May | 21.3°C | 9.2°C | 15.2°C | 64 mm | 258 |
| June | 24.9°C | 12.3°C | 18.6°C | 51 mm | 253 |
| July | 27.0°C | 13.9°C | 20.4°C | 43 mm | 297 |
| August | 27.2°C | 13.7°C | 20.4°C | 54 mm | 278 |
| September | 23.8°C | 10.8°C | 17.3°C | 64 mm | 234 |
| October | 18.8°C | 8.9°C | 13.8°C | 91 mm | 155 |
| November | 13.1°C | 5.4°C | 9.2°C | 100 mm | 109 |
| December | 9.7°C | 3.0°C | 6.4°C | 96 mm | 90 |
| Year | 18.2°C | 7.6°C | 12.9°C | 837 mm | 2,303 |
Where La Devise’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Prin-Deyrançon, 21 km away: statistics for 1991–2020 (the station’s own years, 1991–2019, where its record is shorter).
- 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 Rochelle-Île de Re, 37 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 Charente-Maritime.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about La Devise’s climate
How warm does La Devise get in summer?
August is the warmest month, with average highs of 27.2°C. About 77 days a year reach 25°C, more than 70% of mainland French towns, and about 24 reach 30°C.
How cold does La Devise get in winter?
February nights average 2.1°C. The air drops to 0°C or below on about 45 nights a year, and about 1 days a year stay below freezing all day.
How much rain does La Devise get?
About 837 mm a year, more than 68% of mainland French towns. November is the wettest month (100 mm) and July the driest (43 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, La Rochelle-Île de Re (37 km away), averages 2,303 hours of sunshine a year.
Are these figures for La Devise itself?
No: they are the normals of the Météo-France station matched to La Devise, Prin-Deyrançon, 21 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 PRIN-DEYRANCON, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for La Devise →
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.