Castries is among the mainland French towns with the most days of 25 degrees or more
In January the night’s low is typically 2.1°C. The gap between a January night and a July afternoon is 29°C. Frost is rarer than in 66% of mainland French towns: about 35 nights a year drop below freezing. Wet days, with 1 mm of rain or more, come about 68 times a year.
These are the figures of Météo-France’s Verargues station, 10 km north-east.
A year in Castries at a glance
Each month’s typical high and low in °C, at the Verargues station.
What a year in Castries feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Verargues.
About 749 mm of rain a year
September is the wettest month and July the driest. About 22 days a year bring 10 mm or more. 24th wettest of 96 towns of 2,500+ in Hérault.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Montpellier-Aéroport
35 frosts and 129 days of 25°C a year
On about 35 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 129 days a year reach 25°C, and 65 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Verargues: 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 Verargues
Verargues is 10 km north-east of Castries. Every figure on this page is the station’s, not a measurement in Castries itself.
| Station (Météo-France number) | Verargues (34330001) |
| Distance from the town | 10 km north-east |
| Station altitude | 56 m |
| Town altitude (its center) | 61 m |
| Period | 1991–2020 |
| Sunshine measured at | Montpellier-Aéroport, 11 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 Castries 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 Hérault.
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 |
|---|---|---|---|---|
| Castries | Verargues | 31.5°C | 2.1°C | 749 mm |
| Vendargues 2.3 km | Montpellier-Aéroport | 29.5°C 2°C cooler | 3.3°C 1.2°C milder | 639 mm |
| Baillargues 3.1 km | Montpellier-Aéroport | 29.5°C 2°C cooler | 3.3°C 1.2°C milder | 639 mm |
| Saint-Brès 4 km | same station | 31.5°C about the same | 2.1°C about the same | 749 mm |
| Sussargues 4 km | same station | 31.5°C about the same | 2.1°C about the same | 749 mm |
| Saint-Aunès 4.5 km | Montpellier-Aéroport | 29.5°C 2°C cooler | 3.3°C 1.2°C milder | 639 mm |
| Le Crès 4.7 km | Prades-le-Lez | 31.6°C about the same | 1.1°C 1°C colder | 870 mm |
Castries weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Verargues station; sunshine at Montpellier-Aéroport.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 12.0°C | 2.1°C | 7.1°C | 64 mm | 146 |
| February | 13.4°C | 2.1°C | 7.8°C | 40 mm | 170 |
| March | 17.1°C | 5.0°C | 11.0°C | 47 mm | 219 |
| April | 19.8°C | 7.6°C | 13.7°C | 71 mm | 229 |
| May | 24.1°C | 11.2°C | 17.6°C | 53 mm | 271 |
| June | 28.5°C | 14.6°C | 21.6°C | 34 mm | 316 |
| July | 31.5°C | 17.0°C | 24.2°C | 20 mm | 345 |
| August | 31.4°C | 16.8°C | 24.1°C | 44 mm | 305 |
| September | 26.5°C | 13.4°C | 20.0°C | 109 mm | 247 |
| October | 21.3°C | 10.7°C | 16.0°C | 102 mm | 176 |
| November | 15.8°C | 6.0°C | 10.9°C | 101 mm | 146 |
| December | 12.5°C | 2.9°C | 7.7°C | 65 mm | 137 |
| Year | 21.2°C | 9.1°C | 15.1°C | 749 mm | 2,705 |
Where Castries’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Verargues, 10 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, Montpellier-Aéroport, 11 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 Hérault.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Castries’s climate
How warm does Castries get in summer?
July is the warmest month, with average highs of 31.5°C. About 129 days a year reach 25°C, more than almost every mainland French town, and about 65 reach 30°C.
How cold does Castries get in winter?
January nights average 2.1°C. The air drops to 0°C or below on about 35 nights a year, and about 0 days a year stay below freezing all day.
How much rain does Castries get?
About 749 mm a year, less than 51% of mainland French towns. September is the wettest month (109 mm) and July the driest (20 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Montpellier-Aéroport (11 km away), averages 2,705 hours of sunshine a year.
Are these figures for Castries itself?
No: they are the normals of the Météo-France station matched to Castries, Verargues, 10 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 VERARGUES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Castries →
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.