Photo: François GOGLINS · CC BY-SA 4.0Few mainland French towns have warmer summer afternoons than Gardanne
Nights in January average 1.6°C. It is a dry place: less rain falls here than on 94% of mainland French towns. September is the wettest month, July the driest. Central heating does most of its work from December to February, in months below 10°C on average.
Figures from Météo-France’s Aix-en-Provence station, 9.6 km north-west.
A year in Gardanne at a glance
Each month’s typical high and low in °C, at the Aix-en-Provence station.
What a year in Gardanne feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Aix-en-Provence.
About 609 mm of rain a year
September is the wettest month and July the driest. About 19 days a year bring 10 mm or more. 54th wettest of 108 towns of 2,500+ in Bouches-du-Rhône.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Aix-en-Provence
43 frosts and 117 days of 25°C a year
On about 43 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 117 days a year reach 25°C, and 55 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Aix-en-Provence: 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 Aix-en-Provence
Aix-en-Provence is 9.6 km north-west of Gardanne. Every figure on this page is the station’s, not a measurement in Gardanne itself.
| Station (Météo-France number) | Aix-en-Provence (13001009) |
| Distance from the town | 9.6 km north-west |
| Station altitude | 173 m |
| Town altitude (its center) | 212 m |
| Period | 1991–2020 |
| Nearest station of any kind | 4.2 km |
| Sunshine measured at | the same station |
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 Gardanne 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 Bouches-du-Rhône.
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 |
|---|---|---|---|---|
| Gardanne | Aix-en-Provence | 31.0°C | 1.6°C | 609 mm |
| Simiane-Collongue 3.7 km | same station | 31.0°C about the same | 1.6°C about the same | 609 mm |
| Mimet 3.9 km | Mimet | 28.8°C 2.2°C cooler | 1.6°C about the same | 725 mm |
| Meyreuil 4.1 km | same station | 31.0°C about the same | 1.6°C about the same | 609 mm |
| Bouc-Bel-Air 4.8 km | same station | 31.0°C about the same | 1.6°C about the same | 609 mm |
| Gréasque 5.9 km | Mimet | 28.8°C 2.2°C cooler | 1.6°C about the same | 725 mm |
| Fuveau 6.8 km | Trets | 31.4°C about the same | 0.9°C 0.7°C colder | 668 mm |
Gardanne weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Aix-en-Provence station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 11.8°C | 1.6°C | 6.7°C | 53 mm | 151 |
| February | 12.8°C | 1.5°C | 7.2°C | 36 mm | 177 |
| March | 16.3°C | 4.3°C | 10.3°C | 33 mm | 233 |
| April | 19.1°C | 7.1°C | 13.1°C | 58 mm | 244 |
| May | 23.4°C | 11.0°C | 17.2°C | 48 mm | 297 |
| June | 27.9°C | 14.7°C | 21.3°C | 36 mm | 331 |
| July | 31.0°C | 17.0°C | 24.0°C | 16 mm | 370 |
| August | 30.8°C | 16.8°C | 23.8°C | 34 mm | 332 |
| September | 25.9°C | 13.4°C | 19.6°C | 88 mm | 257 |
| October | 21.0°C | 10.3°C | 15.7°C | 77 mm | 190 |
| November | 15.4°C | 5.5°C | 10.5°C | 79 mm | 152 |
| December | 12.2°C | 2.4°C | 7.3°C | 51 mm | 141 |
| Year | 20.6°C | 8.8°C | 14.7°C | 609 mm | 2,873 |
Where Gardanne’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Aix-en-Provence, 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, Aix-en-Provence, 9.6 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 Bouches-du-Rhône.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Gardanne’s climate
How warm does Gardanne get in summer?
July is the warmest month, with average highs of 31.0°C. About 117 days a year reach 25°C, more than 94% of mainland French towns, and about 55 reach 30°C.
How cold does Gardanne get in winter?
February nights average 1.5°C. The air drops to 0°C or below on about 43 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Gardanne get?
About 609 mm a year, less than 94% of mainland French towns. September is the wettest month (88 mm) and July the driest (16 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Aix-en-Provence (9.6 km away), averages 2,873 hours of sunshine a year.
Are these figures for Gardanne itself?
No: they are the normals of the Météo-France station matched to Gardanne, Aix-en-Provence, 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 AIX EN PROVENCE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Gardanne →
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.