Rainfall in Deviat tops that of 83% of mainland French towns: 947 mm a year
High summer brings afternoon highs near 26.5°C. Winter and summer sit 25°C apart. By frosts alone, it ranks colder than 69% of mainland French towns. The heating season runs November to March: each of those months averages under 10°C.
Figures from Météo-France’s Passirac station, 11 km south-west.
A year in Deviat at a glance
Each month’s typical high and low in °C, at the Passirac station.
What a year in Deviat feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Passirac.
About 947 mm of rain a year
December is the wettest month and July the driest. About 29 days a year bring 10 mm or more. 3rd wettest of 26 towns of 2,500+ in Charente.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Rioux-Martin
50 frosts and 72 days of 25°C a year
On about 50 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 72 days a year reach 25°C, and 21 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Passirac: 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 Passirac
Passirac is 11 km south-west of Deviat. Every figure on this page is the station’s, not a measurement in Deviat itself.
| Station (Météo-France number) | Passirac (16256001) |
| Distance from the town | 11 km south-west |
| Station altitude | 114 m |
| Town altitude (its center) | 100 m |
| Period | 1991–2020 |
| Sunshine measured at | Rioux-Martin, 17 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 Deviat 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.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Deviat | Passirac | 26.5°C | 2.0°C | 947 mm |
| Barbezieux-Saint-Hilaire 14 km | Segonzac | 27.2°C 0.7°C warmer | 3.2°C 1.2°C milder | 818 mm |
| Roullet-Saint-Estèphe 19 km | La Couronne | 27.5°C 1°C warmer | 2.8°C 0.8°C milder | 845 mm |
| Châteauneuf-sur-Charente 21 km | La Couronne | 27.5°C 1°C warmer | 2.8°C 0.8°C milder | 845 mm |
| La Couronne 23 km | La Couronne | 27.5°C 1°C warmer | 2.8°C 0.8°C milder | 845 mm |
| Saint-Michel 26 km | La Couronne | 27.5°C 1°C warmer | 2.8°C 0.8°C milder | 845 mm |
| Angoulême 28 km | La Couronne | 27.5°C 1°C warmer | 2.8°C 0.8°C milder | 845 mm |
Deviat weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Passirac station; sunshine at Rioux-Martin.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.1°C | 2.0°C | 5.5°C | 96 mm | 82 |
| February | 10.7°C | 1.4°C | 6.0°C | 72 mm | 126 |
| March | 14.6°C | 3.5°C | 9.1°C | 69 mm | 173 |
| April | 17.3°C | 5.5°C | 11.4°C | 81 mm | 194 |
| May | 21.0°C | 9.1°C | 15.1°C | 73 mm | 222 |
| June | 24.4°C | 12.1°C | 18.2°C | 72 mm | 255 |
| July | 26.5°C | 13.5°C | 20.0°C | 53 mm | 270 |
| August | 26.8°C | 13.4°C | 20.1°C | 57 mm | 248 |
| September | 23.2°C | 10.7°C | 16.9°C | 73 mm | 214 |
| October | 18.6°C | 8.5°C | 13.5°C | 86 mm | 149 |
| November | 12.8°C | 4.7°C | 8.7°C | 107 mm | 102 |
| December | 9.7°C | 2.4°C | 6.0°C | 108 mm | 90 |
| Year | 17.9°C | 7.2°C | 12.5°C | 947 mm | 2,124 |
Where Deviat’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Passirac, 11 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, Rioux-Martin, 17 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.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Deviat’s climate
How warm does Deviat get in summer?
August is the warmest month, with average highs of 26.8°C. About 72 days a year reach 25°C, more than 66% of mainland French towns, and about 21 reach 30°C.
How cold does Deviat get in winter?
February nights average 1.4°C. The air drops to 0°C or below on about 50 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Deviat get?
About 947 mm a year, more than 83% of mainland French towns. December is the wettest month (108 mm) and July the driest (53 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Rioux-Martin (17 km away), averages 2,124 hours of sunshine a year.
Are these figures for Deviat itself?
No: they are the normals of the Météo-France station matched to Deviat, Passirac, 11 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 PASSIRAC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Deviat →
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.