Gras has warmer summer afternoons than 90% of mainland French towns
Nights in January average 1.2°C. Rain is plentiful here, more than falls on 87% of mainland French towns. Only 28°C separates winter nights from summer afternoons. Wet days, with 1 mm of rain or more, come about 81 times a year.
These are the figures of Météo-France’s Mirabel Sa station, 17 km north.
A year in Gras at a glance
Each month’s typical high and low in °C, at the Mirabel Sa station.
What a year in Gras feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Mirabel Sa.
About 998 mm of rain a year
October is the wettest month and February the driest. About 30 days a year bring 10 mm or more. 9th wettest of 22 towns of 2,500+ in Ardèche.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lanas Syn
42 frosts and 95 days of 25°C a year
On about 42 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 95 days a year reach 25°C, and 40 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Mirabel 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 Mirabel Sa
Mirabel Sa is 17 km north of Gras. Every figure on this page is the station’s, not a measurement in Gras itself.
| Station (Météo-France number) | Mirabel Sa (07159001) |
| Distance from the town | 17 km north |
| Station altitude | 275 m |
| Town altitude (its center) | 366 m |
| Period | 1991–2020 |
| Nearest station of any kind | 12 km |
| Sunshine measured at | Lanas Syn, 18 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 Gras 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 |
|---|---|---|---|---|
| Gras | Mirabel Sa | 29.5°C | 1.2°C | 998 mm |
| Bourg-Saint-Andéol 10 km | Pierrelatte | 30.3°C 0.8°C warmer | 2.3°C 1.1°C milder | 795 mm |
| Viviers 12 km | Donzère | 30.9°C 1.4°C warmer | 2.4°C 1.2°C milder | 826 mm |
| Donzère 13 km | Donzère | 30.9°C 1.4°C warmer | 2.4°C 1.2°C milder | 826 mm |
| Pierrelatte 14 km | Pierrelatte | 30.3°C 0.8°C warmer | 2.3°C 1.1°C milder | 795 mm |
| Villeneuve-de-Berg 14 km | same station | 29.5°C about the same | 1.2°C about the same | 998 mm |
| Châteauneuf-du-Rhône 16 km | Donzère | 30.9°C 1.4°C warmer | 2.4°C 1.2°C milder | 826 mm |
Gras weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Mirabel Sa station; sunshine at Lanas Syn.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.3°C | 1.2°C | 5.2°C | 76 mm | 131 |
| February | 10.7°C | 1.4°C | 6.1°C | 46 mm | 153 |
| March | 14.8°C | 3.9°C | 9.4°C | 53 mm | 208 |
| April | 17.8°C | 6.3°C | 12.0°C | 77 mm | 208 |
| May | 22.0°C | 9.8°C | 15.9°C | 86 mm | 246 |
| June | 26.5°C | 13.6°C | 20.0°C | 66 mm | 286 |
| July | 29.5°C | 15.9°C | 22.7°C | 55 mm | 314 |
| August | 29.3°C | 15.7°C | 22.5°C | 57 mm | 284 |
| September | 24.1°C | 12.4°C | 18.3°C | 131 mm | 220 |
| October | 18.6°C | 9.1°C | 13.9°C | 147 mm | 154 |
| November | 12.9°C | 4.9°C | 8.9°C | 134 mm | 125 |
| December | 9.7°C | 1.9°C | 5.8°C | 71 mm | 120 |
| Year | 18.8°C | 8.0°C | 13.4°C | 998 mm | 2,447 |
Where Gras’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Mirabel Sa, 17 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, 18 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 Gras’s climate
How warm does Gras get in summer?
July is the warmest month, with average highs of 29.5°C. About 95 days a year reach 25°C, more than 85% of mainland French towns, and about 40 reach 30°C.
How cold does Gras get in winter?
January nights average 1.2°C. The air drops to 0°C or below on about 42 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Gras get?
About 998 mm a year, more than 87% of mainland French towns. October is the wettest month (147 mm) and February the driest (46 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lanas Syn (18 km away), averages 2,447 hours of sunshine a year.
Are these figures for Gras itself?
No: they are the normals of the Météo-France station matched to Gras, Mirabel Sa, 17 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 MIRABEL SA, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Gras →
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.