Saint-Martin-de-Valamas is among the wettest of mainland French towns: 1,179 mm of rain a year
The warmest part of a July day comes in at 28.3°C on average. Of the 22 towns of 2,500+ in Ardèche, it has the coolest July afternoons. Wet weather is most frequent in November and least in February. Expect about 56 frosty starts a year, nights when the air falls below freezing.
Figures from Météo-France’s Cheylard Sa station, 5.9 km south-east.
A year in Saint-Martin-de-Valamas at a glance
Each month’s typical high and low in °C, at the Cheylard Sa station.
What a year in Saint-Martin-de-Valamas feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Cheylard Sa.
About 1,179 mm of rain a year
November is the wettest month and February the driest. About 31 days a year bring 10 mm or more. 3rd wettest of 22 towns of 2,500+ in Ardèche.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Mazet-Volamont
A frosty town: 56 frosts and 84 days of 25°C a year
On about 56 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 84 days a year reach 25°C, and 30 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Cheylard Sa: 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 Cheylard Sa
Cheylard Sa is 5.9 km south-east of Saint-Martin-de-Valamas. Every figure on this page is the station’s, not a measurement in Saint-Martin-de-Valamas itself.
| Station (Météo-France number) | Cheylard Sa (07064001) |
| Distance from the town | 5.9 km south-east |
| Station altitude | 418 m |
| Town altitude (its center) | 531 m |
| Period | 1991–2020 |
| Sunshine measured at | Mazet-Volamont, 14 km away |
Saint-Martin-de-Valamas sits 113 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Saint-Martin-de-Valamas to run about 0.7°C cooler than these figures.
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-Martin-de-Valamas 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 Ardèche.
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-Martin-de-Valamas | Cheylard Sa | 28.3°C | 0.2°C | 1,179 mm |
| Le Cheylard 5.5 km | same station | 28.3°C about the same | 0.2°C about the same | 1,179 mm |
| Le Chambon-sur-Lignon 14 km | Mazet-Volamont | 21.6°C 6.7°C cooler | −2.5°C 2.7°C colder | 975 mm |
| Tence 21 km | Yssingeaux | 24.6°C 3.7°C cooler | −2.2°C 2.4°C colder | 949 mm |
Saint-Martin-de-Valamas weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Cheylard Sa station; sunshine at Mazet-Volamont.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.1°C | 0.2°C | 4.1°C | 85 mm | 98 |
| February | 9.7°C | 0.3°C | 5.0°C | 55 mm | 122 |
| March | 13.9°C | 2.7°C | 8.3°C | 62 mm | 168 |
| April | 17.0°C | 5.4°C | 11.2°C | 89 mm | 182 |
| May | 21.0°C | 8.8°C | 14.9°C | 97 mm | 197 |
| June | 25.4°C | 12.2°C | 18.8°C | 73 mm | 234 |
| July | 28.3°C | 14.1°C | 21.2°C | 68 mm | 277 |
| August | 28.0°C | 13.7°C | 20.9°C | 74 mm | 250 |
| September | 23.0°C | 10.6°C | 16.8°C | 127 mm | 192 |
| October | 17.7°C | 7.9°C | 12.8°C | 176 mm | 138 |
| November | 11.9°C | 3.7°C | 7.8°C | 180 mm | 99 |
| December | 8.5°C | 0.9°C | 4.7°C | 93 mm | 100 |
| Year | 17.7°C | 6.7°C | 12.2°C | 1,179 mm | 2,057 |
Where Saint-Martin-de-Valamas’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Cheylard Sa, 5.9 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, Mazet-Volamont, 14 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 Ardèche.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Martin-de-Valamas’s climate
How warm does Saint-Martin-de-Valamas get in summer?
July is the warmest month, with average highs of 28.3°C. About 84 days a year reach 25°C, more than 75% of mainland French towns, and about 30 reach 30°C.
How cold does Saint-Martin-de-Valamas get in winter?
January nights average 0.2°C. The air drops to 0°C or below on about 56 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Saint-Martin-de-Valamas get?
About 1,179 mm a year, more than 96% of mainland French towns. November is the wettest month (180 mm) and February the driest (55 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mazet-Volamont (14 km away), averages 2,057 hours of sunshine a year.
Are these figures for Saint-Martin-de-Valamas itself?
No: they are the normals of the Météo-France station matched to Saint-Martin-de-Valamas, Cheylard Sa, 5.9 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 CHEYLARD SA, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Martin-de-Valamas →
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.