Saint-Vallier is wetter than 83% of mainland French towns: 947 mm of rain a year
Midsummer highs settle at about 26.5°C. Frosty nights outnumber those of 69% of mainland French towns. Expect the heaviest rain in December and the lightest in July. Frost greets about 50 mornings a year, so leave time to clear the car.
These are the figures of Météo-France’s Passirac station, 5 km north.
A year in Saint-Vallier at a glance
Each month’s typical high and low in °C, at the Passirac station.
What a year in Saint-Vallier 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 5 km north of Saint-Vallier. Every figure on this page is the station’s, not a measurement in Saint-Vallier itself.
| Station (Météo-France number) | Passirac (16256001) |
| Distance from the town | 5 km north |
| Station altitude | 114 m |
| Town altitude (its center) | 121 m |
| Period | 1991–2020 |
| Sunshine measured at | Rioux-Martin, 7.8 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-Vallier 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 |
|---|---|---|---|---|
| Saint-Vallier | Passirac | 26.5°C | 2.0°C | 947 mm |
| La Roche-Chalais 18 km | Rioux-Martin | 27.0°C 0.5°C warmer | 2.5°C 0.5°C milder | 837 mm |
| Barbezieux-Saint-Hilaire 21 km | Segonzac | 27.2°C 0.7°C warmer | 3.2°C 1.2°C milder | 818 mm |
| Montendre 25 km | Montlieu | 27.2°C 0.7°C warmer | 2.4°C about the same | 929 mm |
| Coutras 28 km | Saint-Émilion | 27.8°C 1.3°C warmer | 3.3°C 1.3°C milder | 798 mm |
| Laruscade 28 km | Saint-Gervais | 27.1°C 0.6°C warmer | 3.5°C 1.5°C milder | 825 mm |
Saint-Vallier 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 Saint-Vallier’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Passirac, 5 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, 7.8 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 Charente.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Vallier’s climate
How warm does Saint-Vallier 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 Saint-Vallier 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 Saint-Vallier 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 (7.8 km away), averages 2,124 hours of sunshine a year.
Are these figures for Saint-Vallier itself?
No: they are the normals of the Météo-France station matched to Saint-Vallier, Passirac, 5 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 Saint-Vallier →
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.