Hardly any mainland French towns log more warm days than Castelnau-Valence
In January the night’s low is typically 1.4°C. Its yearly rainfall tops that of 79% of mainland French towns. Rain follows the seasons: September brings about 4.5 times as much as July. An umbrella earns its place on about 69 days a year with 1 mm of rain or more.
These are the figures of Météo-France’s La Rouvière station, 8.5 km south.
A year in Castelnau-Valence at a glance
Each month’s typical high and low in °C, at the La Rouvière station.
What a year in Castelnau-Valence feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at La Rouvière.
About 914 mm of rain a year
September is the wettest month and July the driest. About 26 days a year bring 10 mm or more. 18th wettest of 68 towns of 2,500+ in Gard.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Nîmes-Courbessac
45 frosts and 123 days of 25°C a year
On about 45 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 123 days a year reach 25°C, and 59 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at La Rouvière: 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 La Rouvière
La Rouvière is 8.5 km south of Castelnau-Valence. Every figure on this page is the station’s, not a measurement in Castelnau-Valence itself.
| Station (Météo-France number) | La Rouvière (30224001) |
| Distance from the town | 8.5 km south |
| Station altitude | 79 m |
| Town altitude (its center) | 133 m |
| Period | 1991–2020 |
| Sunshine measured at | Nîmes-Courbessac, 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 Castelnau-Valence 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 Gard.
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 |
|---|---|---|---|---|
| Castelnau-Valence | La Rouvière | 31.2°C | 1.4°C | 914 mm |
| Saint-Geniès-de-Malgoirès 7.4 km | same station | 31.2°C about the same | 1.4°C about the same | 914 mm |
| La Calmette 9.4 km | same station | 31.2°C about the same | 1.4°C about the same | 914 mm |
| Uzès 13 km | Cavillargues | 30.8°C about the same | 1.3°C about the same | 846 mm |
| Saint-Hilaire-de-Brethmas 14 km | Saint-Christol-les-Alès | 32.5°C 1.3°C warmer | 1.5°C about the same | 1,047 mm |
| Saint-Christol-lez-Alès 15 km | Saint-Christol-les-Alès | 32.5°C 1.3°C warmer | 1.5°C about the same | 1,047 mm |
| Saint-Quentin-la-Poterie 16 km | Cavillargues | 30.8°C about the same | 1.3°C about the same | 846 mm |
Castelnau-Valence weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the La Rouvière station; sunshine at Nîmes-Courbessac.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 11.3°C | 1.4°C | 6.4°C | 78 mm | 142 |
| February | 13.0°C | 1.4°C | 7.2°C | 47 mm | 165 |
| March | 16.9°C | 4.0°C | 10.5°C | 59 mm | 220 |
| April | 19.6°C | 6.8°C | 13.2°C | 79 mm | 229 |
| May | 23.5°C | 10.4°C | 16.9°C | 64 mm | 269 |
| June | 28.1°C | 13.9°C | 21.0°C | 49 mm | 313 |
| July | 31.2°C | 16.3°C | 23.8°C | 31 mm | 346 |
| August | 31.1°C | 16.0°C | 23.6°C | 49 mm | 307 |
| September | 26.1°C | 12.4°C | 19.2°C | 141 mm | 245 |
| October | 20.7°C | 9.7°C | 15.2°C | 126 mm | 171 |
| November | 15.0°C | 5.2°C | 10.1°C | 121 mm | 142 |
| December | 11.7°C | 2.0°C | 6.9°C | 70 mm | 132 |
| Year | 20.7°C | 8.3°C | 14.5°C | 914 mm | 2,680 |
Where Castelnau-Valence’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for La Rouvière, 8.5 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, Nîmes-Courbessac, 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 Gard.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Castelnau-Valence’s climate
How warm does Castelnau-Valence get in summer?
July is the warmest month, with average highs of 31.2°C. About 123 days a year reach 25°C, more than 97% of mainland French towns, and about 59 reach 30°C.
How cold does Castelnau-Valence get in winter?
January nights average 1.4°C. The air drops to 0°C or below on about 45 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Castelnau-Valence get?
About 914 mm a year, more than 79% of mainland French towns. September is the wettest month (141 mm) and July the driest (31 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Nîmes-Courbessac (21 km away), averages 2,680 hours of sunshine a year.
Are these figures for Castelnau-Valence itself?
No: they are the normals of the Météo-France station matched to Castelnau-Valence, La Rouvière, 8.5 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 LA ROUVIERE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Castelnau-Valence →
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.