Pessac has milder winter nights than 88% of mainland French towns
Sunny July days climb to about 27.1°C. Of all months, November brings the most rain and July the least. Its yearly rainfall tops that of 81% of mainland French towns. Long walks are most pleasant from April to June and September to October, when afternoons reach 18–25°C.
These are the figures of Météo-France’s Bordeaux-Mérignac station, 4.5 km north-west.
A year in Pessac at a glance
Each month’s typical high and low in °C, at the Bordeaux-Mérignac station.
What a year in Pessac feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Bordeaux-Mérignac.
About 925 mm of rain a year
November is the wettest month and July the driest. About 30 days a year bring 10 mm or more. 25th wettest of 113 towns of 2,500+ in Gironde.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Bordeaux-Mérignac
23 frosts and 82 days of 25°C a year
On about 23 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 82 days a year reach 25°C, and 26 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Bordeaux-Mérignac: 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 Bordeaux-Mérignac
Bordeaux-Mérignac is 4.5 km north-west of Pessac. Every figure on this page is the station’s, not a measurement in Pessac itself.
| Station (Météo-France number) | Bordeaux-Mérignac (33281001) |
| Distance from the town | 4.5 km north-west |
| Station altitude | 47 m |
| Town altitude (its center) | 48 m |
| Period | 1991–2020 |
| 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 Pessac 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 Gironde.
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 |
|---|---|---|---|---|
| Pessac | Bordeaux-Mérignac | 27.1°C | 3.7°C | 925 mm |
| Mérignac 4.2 km | same station | 27.1°C about the same | 3.7°C about the same | 925 mm |
| Gradignan 4.4 km | Villenave d'Ornon-Inrae | 27.6°C 0.5°C warmer | 3.7°C about the same | 904 mm |
| Canéjan 4.4 km | Villenave d'Ornon-Inrae | 27.6°C 0.5°C warmer | 3.7°C about the same | 904 mm |
| Talence 5.4 km | Talence | 27.8°C 0.7°C warmer | 3.4°C about the same | 884 mm |
| Cestas 6.1 km | same station | 27.1°C about the same | 3.7°C about the same | 925 mm |
| Villenave-d'Ornon 7.6 km | Villenave d'Ornon-Inrae | 27.6°C 0.5°C warmer | 3.7°C about the same | 904 mm |
Pessac weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Bordeaux-Mérignac station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.5°C | 3.7°C | 7.1°C | 87 mm | 90 |
| February | 12.0°C | 3.6°C | 7.8°C | 67 mm | 117 |
| March | 15.5°C | 5.8°C | 10.7°C | 63 mm | 170 |
| April | 18.0°C | 8.0°C | 13.0°C | 76 mm | 186 |
| May | 21.7°C | 11.4°C | 16.6°C | 71 mm | 221 |
| June | 25.0°C | 14.6°C | 19.8°C | 70 mm | 238 |
| July | 27.1°C | 16.2°C | 21.7°C | 49 mm | 256 |
| August | 27.6°C | 16.3°C | 21.9°C | 57 mm | 249 |
| September | 24.2°C | 13.3°C | 18.8°C | 81 mm | 209 |
| October | 19.6°C | 10.7°C | 15.2°C | 83 mm | 150 |
| November | 14.1°C | 6.7°C | 10.4°C | 115 mm | 100 |
| December | 11.0°C | 4.4°C | 7.7°C | 106 mm | 84 |
| Year | 18.9°C | 9.6°C | 14.2°C | 925 mm | 2,070 |
Where Pessac’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Bordeaux-Mérignac, 4.5 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, Bordeaux-Mérignac, 4.5 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 Gironde.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Pessac’s climate
How warm does Pessac get in summer?
August is the warmest month, with average highs of 27.6°C. About 82 days a year reach 25°C, more than 73% of mainland French towns, and about 26 reach 30°C.
How cold does Pessac get in winter?
February nights average 3.6°C. The air drops to 0°C or below on about 23 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Pessac get?
About 925 mm a year, more than 81% of mainland French towns. November is the wettest month (115 mm) and July the driest (49 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Bordeaux-Mérignac (4.5 km away), averages 2,070 hours of sunshine a year.
Are these figures for Pessac itself?
No: they are the normals of the Météo-France station matched to Pessac, Bordeaux-Mérignac, 4.5 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 BORDEAUX-MERIGNAC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Pessac →
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.