Le Roux is among the frostiest of mainland French towns
High summer brings afternoon highs near 23.3°C. None of the 22 towns of 2,500+ in Ardèche gets more rain. Seasons differ by 27°C, from the coldest nights to the warmest afternoons. The outdoor season runs from June to August, with highs of 20–23°C.
These are the figures of Météo-France’s Cros Géorand station, 7.5 km north-west.
A year in Le Roux at a glance
Each month’s typical high and low in °C, at the Cros Géorand station.
What a year in Le Roux feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Cros Géorand.
About 1,410 mm of rain a year
November is the wettest month and August the driest. About 37 days a year bring 10 mm or more. The wettest of 22 towns of 2,500+ in Ardèche.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lanas Syn
A frosty town: 130 frosts and 35 days of 25°C a year
On about 130 nights a year the air drops to 0°C or below, and on about 20 days it stays below freezing all day. About 35 days a year reach 25°C, and 4 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Cros Géorand: 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 Cros Géorand
Cros Géorand is 7.5 km north-west of Le Roux. Every figure on this page is the station’s, not a measurement in Le Roux itself.
| Station (Météo-France number) | Cros Géorand (07075001) |
| Distance from the town | 7.5 km north-west |
| Station altitude | 1,021 m |
| Town altitude (its center) | 826 m |
| Period | 1991–2020 |
| Nearest station of any kind | 4.8 km |
| Sunshine measured at | Lanas Syn, 27 km away |
Le Roux sits 195 m lower than the station. Air usually warms by about 0.65°C every 100 m you go down, so expect Le Roux to run about 1.3°C warmer 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 Le Roux 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 |
|---|---|---|---|---|
| Le Roux | Cros Géorand | 23.3°C | −3.5°C | 1,410 mm |
| Vals-les-Bains 18 km | Vals-les-Bains | 29.7°C 6.4°C warmer | 1.6°C 5.1°C milder | 1,250 mm |
| Aubenas 22 km | Vals-les-Bains | 29.7°C 6.4°C warmer | 1.6°C 5.1°C milder | 1,250 mm |
| Saint-Étienne-de-Fontbellon 23 km | Aubenas Sa | 30.4°C 7.1°C warmer | 1.0°C 4.5°C milder | 1,061 mm |
| Langogne 23 km | same station | 23.3°C about the same | −3.5°C about the same | 1,410 mm |
Le Roux weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Cros Géorand station; sunshine at Lanas Syn.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.1°C | −3.5°C | 0.3°C | 115 mm | 131 |
| February | 5.4°C | −3.7°C | 0.9°C | 76 mm | 153 |
| March | 9.5°C | −1.4°C | 4.0°C | 80 mm | 208 |
| April | 12.2°C | 0.9°C | 6.6°C | 127 mm | 208 |
| May | 16.2°C | 4.6°C | 10.4°C | 125 mm | 246 |
| June | 20.3°C | 8.0°C | 14.2°C | 87 mm | 286 |
| July | 23.3°C | 9.9°C | 16.6°C | 73 mm | 314 |
| August | 23.3°C | 9.4°C | 16.3°C | 71 mm | 284 |
| September | 18.4°C | 6.4°C | 12.4°C | 140 mm | 220 |
| October | 13.6°C | 4.3°C | 8.9°C | 181 mm | 154 |
| November | 8.0°C | 0.4°C | 4.2°C | 214 mm | 125 |
| December | 4.8°C | −2.5°C | 1.1°C | 121 mm | 120 |
| Year | 13.3°C | 2.7°C | 8.0°C | 1,410 mm | 2,447 |
Where Le Roux’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Cros Géorand, 7.5 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, Lanas Syn, 27 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 Le Roux’s climate
How warm does Le Roux get in summer?
July is the warmest month, with average highs of 23.3°C. About 35 days a year reach 25°C, fewer than 86% of mainland French towns, and about 4 reach 30°C.
How cold does Le Roux get in winter?
February nights average −3.7°C. The air drops to 0°C or below on about 130 nights a year, and about 20 days a year stay below freezing all day.
How much rain does Le Roux get?
About 1,410 mm a year, more than 98% of mainland French towns. November is the wettest month (214 mm) and August the driest (71 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lanas Syn (27 km away), averages 2,447 hours of sunshine a year.
Are these figures for Le Roux itself?
No: they are the normals of the Météo-France station matched to Le Roux, Cros Géorand, 7.5 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 CROS GEORAND, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Le Roux →
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.