Châteauneuf-du-Rhône has some of the warmest summer afternoons among mainland French towns
On a normal January night the air cools to about 2.4°C. The rainiest month is November; the driest is February. Only about 26 nights a year bring a frost, fewer than in 82% of mainland French towns. Keep the boiler serviced for the months from November to February, which average under 10°C.
These are the figures of Météo-France’s Donzère station, 7.4 km south.
A year in Châteauneuf-du-Rhône at a glance
Each month’s typical high and low in °C, at the Donzère station.
What a year in Châteauneuf-du-Rhône feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Donzère.
About 826 mm of rain a year
November is the wettest month and February the driest. About 25 days a year bring 10 mm or more. 35th wettest of 40 towns of 2,500+ in Drôme.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Montélimar
26 frosts and 113 days of 25°C a year
On about 26 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 113 days a year reach 25°C, and 53 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Donzère: 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 Donzère
Donzère is 7.4 km south of Châteauneuf-du-Rhône. Every figure on this page is the station’s, not a measurement in Châteauneuf-du-Rhône itself.
| Station (Météo-France number) | Donzère (26116002) |
| Distance from the town | 7.4 km south |
| Station altitude | 66 m |
| Town altitude (its center) | 80 m |
| Period | 1992–2020 (the station’s own record) |
| Sunshine measured at | Montélimar, 9.5 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 Châteauneuf-du-Rhône 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. 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 |
|---|---|---|---|---|
| Châteauneuf-du-Rhône | Donzère | 30.9°C | 2.4°C | 826 mm |
| Viviers 3.9 km | same station | 30.9°C about the same | 2.4°C about the same | 826 mm |
| Donzère 6.2 km | same station | 30.9°C about the same | 2.4°C about the same | 826 mm |
| Le Teil 6.7 km | Montélimar | 29.8°C 1.1°C cooler | 2.6°C about the same | 920 mm |
| Montélimar 6.9 km | Montélimar | 29.8°C 1.1°C cooler | 2.6°C about the same | 920 mm |
| Montboucher-sur-Jabron 9.1 km | Montboucher-S-J | 30.2°C 0.7°C cooler | 1.2°C 1.2°C colder | 915 mm |
| Pierrelatte 14 km | Pierrelatte | 30.3°C 0.6°C cooler | 2.3°C about the same | 795 mm |
Châteauneuf-du-Rhône weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Donzère station; sunshine at Montélimar.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.5°C | 2.4°C | 6.0°C | 68 mm | 107 |
| February | 11.2°C | 2.5°C | 6.9°C | 40 mm | 136 |
| March | 15.8°C | 5.0°C | 10.4°C | 43 mm | 200 |
| April | 19.1°C | 7.4°C | 13.3°C | 66 mm | 219 |
| May | 23.5°C | 11.1°C | 17.3°C | 74 mm | 260 |
| June | 28.2°C | 15.0°C | 21.6°C | 53 mm | 300 |
| July | 30.9°C | 17.4°C | 24.2°C | 42 mm | 330 |
| August | 30.5°C | 17.1°C | 23.8°C | 56 mm | 299 |
| September | 25.2°C | 13.8°C | 19.5°C | 102 mm | 231 |
| October | 19.8°C | 10.6°C | 15.2°C | 113 mm | 156 |
| November | 13.5°C | 6.2°C | 9.8°C | 115 mm | 110 |
| December | 9.8°C | 3.1°C | 6.5°C | 55 mm | 95 |
| Year | 19.8°C | 9.3°C | 14.5°C | 826 mm | 2,441 |
Where Châteauneuf-du-Rhône’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Donzère, 7.4 km away: statistics for 1991–2020 (the station’s own years, 1992–2020, 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, Montélimar, 9.5 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 Châteauneuf-du-Rhône’s climate
How warm does Châteauneuf-du-Rhône get in summer?
July is the warmest month, with average highs of 30.9°C. About 113 days a year reach 25°C, more than 93% of mainland French towns, and about 53 reach 30°C.
How cold does Châteauneuf-du-Rhône get in winter?
January nights average 2.4°C. The air drops to 0°C or below on about 26 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Châteauneuf-du-Rhône get?
About 826 mm a year, more than 67% of mainland French towns. November is the wettest month (115 mm) and February the driest (40 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Montélimar (9.5 km away), averages 2,441 hours of sunshine a year.
Are these figures for Châteauneuf-du-Rhône itself?
No: they are the normals of the Météo-France station matched to Châteauneuf-du-Rhône, Donzère, 7.4 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 DONZERE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Châteauneuf-du-Rhône →
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.