Neither notably warm, cold, wet nor dry, Chalais sits near the middle of mainland French towns
A typical January night drops to 2.5°C and a July afternoon reaches 27.0°C; 837 mm of rain falls in a year. Only 25°C separates winter nights from summer afternoons. Warm afternoons come more often than in 71% of mainland French towns. Plan for rain on about 123 days a year, the days with 1 mm or more.
Figures from Météo-France’s Rioux-Martin station, 3.2 km west.
A year in Chalais at a glance
Each month’s typical high and low in °C, at the Rioux-Martin station.
What a year in Chalais feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Rioux-Martin.
About 837 mm of rain a year
December is the wettest month and July the driest. About 25 days a year bring 10 mm or more. 20th wettest of 26 towns of 2,500+ in Charente.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Rioux-Martin
39 frosts and 80 days of 25°C a year
On about 39 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 80 days a year reach 25°C, and 25 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Rioux-Martin: 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 Rioux-Martin
Rioux-Martin is 3.2 km west of Chalais. Every figure on this page is the station’s, not a measurement in Chalais itself.
| Station (Météo-France number) | Rioux-Martin (16279001) |
| Distance from the town | 3.2 km west |
| Station altitude | 81 m |
| Town altitude (its center) | 44 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 Chalais 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. 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 |
|---|---|---|---|---|
| Chalais | Rioux-Martin | 27.0°C | 2.5°C | 837 mm |
| La Roche-Chalais 14 km | same station | 27.0°C about the same | 2.5°C about the same | 837 mm |
| Ribérac 23 km | Saint-Martin Rib. | 27.2°C about the same | 3.0°C 0.5°C milder | 917 mm |
| Barbezieux-Saint-Hilaire 27 km | Segonzac | 27.2°C about the same | 3.2°C 0.7°C milder | 818 mm |
| Coutras 29 km | Saint-Émilion | 27.8°C 0.8°C warmer | 3.3°C 0.8°C milder | 798 mm |
Chalais weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Rioux-Martin station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.4°C | 2.5°C | 5.9°C | 79 mm | 82 |
| February | 11.1°C | 2.0°C | 6.5°C | 61 mm | 126 |
| March | 15.0°C | 4.4°C | 9.7°C | 59 mm | 173 |
| April | 17.6°C | 6.4°C | 12.0°C | 74 mm | 194 |
| May | 21.4°C | 10.0°C | 15.7°C | 65 mm | 222 |
| June | 24.9°C | 13.0°C | 19.0°C | 65 mm | 255 |
| July | 27.0°C | 14.3°C | 20.7°C | 50 mm | 270 |
| August | 27.4°C | 14.2°C | 20.8°C | 61 mm | 248 |
| September | 23.9°C | 11.3°C | 17.6°C | 70 mm | 214 |
| October | 19.2°C | 9.0°C | 14.1°C | 73 mm | 149 |
| November | 13.3°C | 5.2°C | 9.2°C | 91 mm | 102 |
| December | 10.1°C | 2.9°C | 6.5°C | 91 mm | 90 |
| Year | 18.4°C | 7.9°C | 13.1°C | 837 mm | 2,124 |
Where Chalais’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Rioux-Martin, 3.2 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, 3.2 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 Chalais’s climate
How warm does Chalais get in summer?
August is the warmest month, with average highs of 27.4°C. About 80 days a year reach 25°C, more than 71% of mainland French towns, and about 25 reach 30°C.
How cold does Chalais get in winter?
February nights average 2.0°C. The air drops to 0°C or below on about 39 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Chalais get?
About 837 mm a year, more than 69% of mainland French towns. December is the wettest month (91 mm) and July the driest (50 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Rioux-Martin (3.2 km away), averages 2,124 hours of sunshine a year.
Are these figures for Chalais itself?
No: they are the normals of the Météo-France station matched to Chalais, Rioux-Martin, 3.2 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 RIOUX MARTIN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Chalais →
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.