More days reach 25 degrees in Saint-Just than in 95% of mainland French towns
Deep winter brings January lows near 2.3°C. Its yearly rainfall falls short of 93% of mainland French towns. Only 28°C separates winter nights from summer afternoons. Windscreens need scraping on about 36 mornings a year, the nights the air drops below 0°C.
These are the figures of Météo-France’s Marsillargues station, 4.9 km south-east.
A year in Saint-Just at a glance
Each month’s typical high and low in °C, at the Marsillargues station.
What a year in Saint-Just feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Marsillargues.
About 618 mm of rain a year
October is the wettest month and July the driest. About 18 days a year bring 10 mm or more. 40th wettest of 96 towns of 2,500+ in Hérault.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Montpellier-Aéroport
36 frosts and 118 days of 25°C a year
On about 36 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 118 days a year reach 25°C, and 50 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Marsillargues: 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 Marsillargues
Marsillargues is 4.9 km south-east of Saint-Just. Every figure on this page is the station’s, not a measurement in Saint-Just itself.
| Station (Météo-France number) | Marsillargues (34151005) |
| Distance from the town | 4.9 km south-east |
| Station altitude | 4 m |
| Town altitude (its center) | 5 m |
| Period | 1991–2020 |
| Sunshine measured at | Montpellier-Aéroport, 15 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 Saint-Just 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 |
|---|---|---|---|---|
| Saint-Just | Marsillargues | 30.7°C | 2.3°C | 618 mm |
| Lunel 2.6 km | same station | 30.7°C about the same | 2.3°C about the same | 618 mm |
| Lunel-Viel 3 km | Gallargues-le-Montueux | 31.6°C 0.9°C warmer | 2.7°C about the same | 675 mm |
| Lansargues 3.4 km | same station | 30.7°C about the same | 2.3°C about the same | 618 mm |
| Marsillargues 4.6 km | same station | 30.7°C about the same | 2.3°C about the same | 618 mm |
| Mudaison 6.2 km | Montpellier-Aéroport | 29.5°C 1.2°C cooler | 3.3°C 1°C milder | 639 mm |
| Saint-Brès 6.8 km | Verargues | 31.5°C 0.8°C warmer | 2.1°C about the same | 749 mm |
Saint-Just weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Marsillargues station; sunshine at Montpellier-Aéroport.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 12.1°C | 2.3°C | 7.2°C | 56 mm | 146 |
| February | 13.4°C | 2.3°C | 7.8°C | 36 mm | 170 |
| March | 16.8°C | 5.0°C | 10.9°C | 41 mm | 219 |
| April | 19.3°C | 7.5°C | 13.4°C | 58 mm | 229 |
| May | 23.4°C | 11.1°C | 17.3°C | 40 mm | 271 |
| June | 27.9°C | 14.7°C | 21.3°C | 28 mm | 316 |
| July | 30.7°C | 17.1°C | 23.9°C | 19 mm | 345 |
| August | 30.5°C | 17.1°C | 23.8°C | 36 mm | 305 |
| September | 26.0°C | 13.6°C | 19.8°C | 82 mm | 247 |
| October | 21.2°C | 10.7°C | 16.0°C | 89 mm | 176 |
| November | 15.9°C | 6.0°C | 10.9°C | 83 mm | 146 |
| December | 12.6°C | 2.9°C | 7.7°C | 51 mm | 137 |
| Year | 20.8°C | 9.2°C | 15.0°C | 618 mm | 2,705 |
Where Saint-Just’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Marsillargues, 4.9 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, 15 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 Saint-Just’s climate
How warm does Saint-Just get in summer?
July is the warmest month, with average highs of 30.7°C. About 118 days a year reach 25°C, more than 95% of mainland French towns, and about 50 reach 30°C.
How cold does Saint-Just get in winter?
January nights average 2.3°C. The air drops to 0°C or below on about 36 nights a year, and about 0 days a year stay below freezing all day.
How much rain does Saint-Just get?
About 618 mm a year, less than 93% of mainland French towns. October is the wettest month (89 mm) and July the driest (19 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Montpellier-Aéroport (15 km away), averages 2,705 hours of sunshine a year.
Are these figures for Saint-Just itself?
No: they are the normals of the Météo-France station matched to Saint-Just, Marsillargues, 4.9 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 MARSILLARGUES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Just →
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.