Summer afternoons in Chantemerle-lès-Grignan are warmer than in 93% of mainland French towns
Nights in January average 1.8°C. By frosts alone, it ranks gentler than 71% of mainland French towns. From frosty January to warm July, readings climb 29°C. Windscreens need scraping on about 33 mornings a year, the nights the air drops below 0°C.
These are the figures of Météo-France’s Visan station, 9.6 km south-east.
A year in Chantemerle-lès-Grignan at a glance
Each month’s typical high and low in °C, at the Visan station.
What a year in Chantemerle-lès-Grignan feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Visan.
About 773 mm of rain a year
September is the wettest month and July the driest. About 24 days a year bring 10 mm or more. 41st wettest of 40 towns of 2,500+ in Drôme.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Montélimar
33 frosts and 106 days of 25°C a year
On about 33 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 106 days a year reach 25°C, and 47 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Visan: 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 Visan
Visan is 9.6 km south-east of Chantemerle-lès-Grignan. Every figure on this page is the station’s, not a measurement in Chantemerle-lès-Grignan itself.
| Station (Météo-France number) | Visan (84150001) |
| Distance from the town | 9.6 km south-east |
| Station altitude | 141 m |
| Town altitude (its center) | 146 m |
| Period | 1991–2020 |
| Sunshine measured at | Montélimar, 21 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 Chantemerle-lès-Grignan 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 |
|---|---|---|---|---|
| Chantemerle-lès-Grignan | Visan | 30.4°C | 1.8°C | 773 mm |
| Saint-Paul-Trois-Châteaux 8.5 km | Pierrelatte | 30.3°C about the same | 2.3°C about the same | 795 mm |
| Donzère 11 km | Donzère | 30.9°C 0.5°C warmer | 2.4°C 0.6°C milder | 826 mm |
| Pierrelatte 11 km | Pierrelatte | 30.3°C about the same | 2.3°C about the same | 795 mm |
| Valréas 13 km | Taulignan | 30.3°C about the same | 1.9°C about the same | 842 mm |
| Châteauneuf-du-Rhône 13 km | Donzère | 30.9°C 0.5°C warmer | 2.4°C 0.6°C milder | 826 mm |
| Bollène 15 km | Pierrelatte | 30.3°C about the same | 2.3°C about the same | 795 mm |
Chantemerle-lès-Grignan weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Visan station; sunshine at Montélimar.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.6°C | 1.8°C | 5.7°C | 57 mm | 107 |
| February | 11.1°C | 1.9°C | 6.5°C | 41 mm | 136 |
| March | 15.4°C | 4.7°C | 10.1°C | 45 mm | 200 |
| April | 18.7°C | 7.3°C | 13.0°C | 68 mm | 219 |
| May | 22.9°C | 11.1°C | 17.0°C | 65 mm | 260 |
| June | 27.2°C | 14.8°C | 21.0°C | 46 mm | 300 |
| July | 30.4°C | 17.1°C | 23.7°C | 40 mm | 330 |
| August | 30.0°C | 16.9°C | 23.5°C | 55 mm | 299 |
| September | 24.7°C | 13.3°C | 19.0°C | 108 mm | 231 |
| October | 19.5°C | 10.0°C | 14.8°C | 102 mm | 156 |
| November | 13.6°C | 5.6°C | 9.6°C | 99 mm | 110 |
| December | 10.2°C | 2.5°C | 6.4°C | 48 mm | 95 |
| Year | 19.4°C | 8.9°C | 14.2°C | 773 mm | 2,441 |
Where Chantemerle-lès-Grignan’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Visan, 9.6 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, Montélimar, 21 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 Chantemerle-lès-Grignan’s climate
How warm does Chantemerle-lès-Grignan get in summer?
July is the warmest month, with average highs of 30.4°C. About 106 days a year reach 25°C, more than 90% of mainland French towns, and about 47 reach 30°C.
How cold does Chantemerle-lès-Grignan get in winter?
January nights average 1.8°C. The air drops to 0°C or below on about 33 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Chantemerle-lès-Grignan get?
About 773 mm a year, more than 54% of mainland French towns. September is the wettest month (108 mm) and July the driest (40 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Montélimar (21 km away), averages 2,441 hours of sunshine a year.
Are these figures for Chantemerle-lès-Grignan itself?
No: they are the normals of the Météo-France station matched to Chantemerle-lès-Grignan, Visan, 9.6 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 VISAN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Chantemerle-lès-Grignan →
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.