Le Chaffal sits near the top of mainland French towns for frosts
High summer brings afternoon highs near 24.8°C. Of the 40 towns of 2,500+ in Drôme, it is the wettest. The gap between a January night and a July afternoon is 28°C. Plan for rain on about 127 days a year, the days with 1 mm or more.
These are the figures of Météo-France’s Chapelle-en-Vercors station, 21 km north-east.
A year in Le Chaffal at a glance
Each month’s typical high and low in °C, at the Chapelle-en-Vercors station.
What a year in Le Chaffal feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Chapelle-en-Vercors.
About 1,326 mm of rain a year
November is the wettest month and July the driest. About 46 days a year bring 10 mm or more. The wettest of 40 towns of 2,500+ in Drôme.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Colombier Jeune Rad
A frosty town: 103 frosts and 44 days of 25°C a year
On about 103 nights a year the air drops to 0°C or below, and on about 14 days it stays below freezing all day. About 44 days a year reach 25°C, and 9 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Chapelle-en-Vercors: 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 Chapelle-en-Vercors
Chapelle-en-Vercors is 21 km north-east of Le Chaffal. Every figure on this page is the station’s, not a measurement in Le Chaffal itself.
| Station (Météo-France number) | Chapelle-en-Vercors (26074001) |
| Distance from the town | 21 km north-east |
| Station altitude | 879 m |
| Town altitude (its center) | 935 m |
| Period | 1994–2020 (the station’s own record) |
| Nearest station of any kind | 12 km |
| Sunshine measured at | Colombier Jeune Rad, 43 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 Le Chaffal 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 Drôme.
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 |
|---|---|---|---|---|
| Le Chaffal | Chapelle-en-Vercors | 24.8°C | −2.6°C | 1,326 mm |
| Chabeuil 14 km | Valence-Chabeui | 29.4°C 4.6°C warmer | 1.0°C 3.6°C milder | 874 mm |
| Montélier 14 km | Valence-Chabeui | 29.4°C 4.6°C warmer | 1.0°C 3.6°C milder | 874 mm |
| Chatuzange-le-Goubet 16 km | Romans | 29.3°C 4.5°C warmer | 0.8°C 3.4°C milder | 877 mm |
| Saint-Jean-en-Royans 17 km | Saint-Jean-en-Roya | 28.5°C 3.7°C warmer | −0.1°C 2.5°C milder | 1,136 mm |
| Alixan 17 km | Valence-Chabeui | 29.4°C 4.6°C warmer | 1.0°C 3.6°C milder | 874 mm |
| Montmeyran 17 km | Valence-Chabeui | 29.4°C 4.6°C warmer | 1.0°C 3.6°C milder | 874 mm |
Le Chaffal weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Chapelle-en-Vercors station; sunshine at Colombier Jeune Rad.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.7°C | −2.6°C | 1.6°C | 108 mm | 73 |
| February | 6.5°C | −2.7°C | 1.9°C | 95 mm | 99 |
| March | 10.3°C | −0.3°C | 5.0°C | 103 mm | 168 |
| April | 13.7°C | 2.7°C | 8.2°C | 117 mm | 188 |
| May | 17.7°C | 6.4°C | 12.0°C | 132 mm | 218 |
| June | 22.0°C | 9.6°C | 15.8°C | 91 mm | 261 |
| July | 24.8°C | 11.5°C | 18.2°C | 90 mm | 282 |
| August | 24.4°C | 11.4°C | 17.9°C | 93 mm | 253 |
| September | 19.4°C | 8.1°C | 13.7°C | 120 mm | 197 |
| October | 15.6°C | 5.6°C | 10.6°C | 120 mm | 123 |
| November | 9.5°C | 1.2°C | 5.4°C | 147 mm | 81 |
| December | 6.2°C | −1.7°C | 2.3°C | 112 mm | 62 |
| Year | 14.7°C | 4.1°C | 9.4°C | 1,326 mm | 2,003 |
Where Le Chaffal’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Chapelle-en-Vercors, 21 km away: statistics for 1991–2020 (the station’s own years, 1994–2020, 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, Colombier Jeune Rad, 43 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 Drôme.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Le Chaffal’s climate
How warm does Le Chaffal get in summer?
July is the warmest month, with average highs of 24.8°C. About 44 days a year reach 25°C, fewer than 75% of mainland French towns, and about 9 reach 30°C.
How cold does Le Chaffal get in winter?
February nights average −2.7°C. The air drops to 0°C or below on about 103 nights a year, and about 14 days a year stay below freezing all day.
How much rain does Le Chaffal get?
About 1,326 mm a year, more than 98% of mainland French towns. November is the wettest month (147 mm) and July the driest (90 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Colombier Jeune Rad (43 km away), averages 2,003 hours of sunshine a year.
Are these figures for Le Chaffal itself?
No: they are the normals of the Météo-France station matched to Le Chaffal, Chapelle-en-Vercors, 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 CHAPELLE-EN-VERCORS_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Le Chaffal →
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.