More days reach 25 degrees in Bommes than in 78% of mainland French towns
The depth of winter brings overnight lows near 3.0°C. Only 25°C separates winter nights from summer afternoons. Only about 30 nights a year bring a frost, fewer than in 76% of mainland French towns. Plan time outside for May, June, September and October, when highs sit at 20–26°C.
Figures from Météo-France’s Sauternes station, 1.9 km east.
A year in Bommes at a glance
Each month’s typical high and low in °C, at the Sauternes station.
What a year in Bommes feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Sauternes.
About 860 mm of rain a year
November is the wettest month and July the driest. About 27 days a year bring 10 mm or more. 77th wettest of 113 towns of 2,500+ in Gironde.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Bordeaux-Mérignac
30 frosts and 87 days of 25°C a year
On about 30 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 87 days a year reach 25°C, and 27 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Sauternes: 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 Sauternes
Sauternes is 1.9 km east of Bommes. Every figure on this page is the station’s, not a measurement in Bommes itself.
| Station (Météo-France number) | Sauternes (33504001) |
| Distance from the town | 1.9 km east |
| Station altitude | 65 m |
| Town altitude (its center) | 40 m |
| Period | 1991–2020 |
| Sunshine measured at | Bordeaux-Mérignac, 42 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 Bommes 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 |
|---|---|---|---|---|
| Bommes | Sauternes | 27.5°C | 3.0°C | 860 mm |
| Toulenne 6.6 km | same station | 27.5°C about the same | 3.0°C about the same | 860 mm |
| Langon 7.8 km | same station | 27.5°C about the same | 3.0°C about the same | 860 mm |
| Cadillac-sur-Garonne 11 km | same station | 27.5°C about the same | 3.0°C about the same | 860 mm |
| Podensac 12 km | same station | 27.5°C about the same | 3.0°C about the same | 860 mm |
| Bazas 16 km | same station | 27.5°C about the same | 3.0°C about the same | 860 mm |
| Saint-Selve 17 km | Cadaujac-Inrae | 27.6°C about the same | 2.9°C about the same | 918 mm |
Bommes weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Sauternes station; sunshine at Bordeaux-Mérignac.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.0°C | 3.0°C | 6.5°C | 80 mm | 90 |
| February | 11.7°C | 2.9°C | 7.3°C | 59 mm | 117 |
| March | 15.5°C | 5.2°C | 10.4°C | 60 mm | 170 |
| April | 18.2°C | 7.3°C | 12.8°C | 80 mm | 186 |
| May | 22.2°C | 10.8°C | 16.5°C | 75 mm | 221 |
| June | 25.5°C | 13.9°C | 19.7°C | 67 mm | 238 |
| July | 27.5°C | 15.6°C | 21.5°C | 51 mm | 256 |
| August | 27.8°C | 15.6°C | 21.7°C | 65 mm | 249 |
| September | 24.3°C | 12.5°C | 18.4°C | 65 mm | 209 |
| October | 19.7°C | 9.9°C | 14.8°C | 72 mm | 150 |
| November | 13.7°C | 5.9°C | 9.8°C | 98 mm | 100 |
| December | 10.4°C | 3.6°C | 7.0°C | 88 mm | 84 |
| Year | 18.9°C | 8.8°C | 13.9°C | 860 mm | 2,070 |
Where Bommes’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Sauternes, 1.9 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, Bordeaux-Mérignac, 42 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 Bommes’s climate
How warm does Bommes get in summer?
August is the warmest month, with average highs of 27.8°C. About 87 days a year reach 25°C, more than 78% of mainland French towns, and about 27 reach 30°C.
How cold does Bommes get in winter?
February nights average 2.9°C. The air drops to 0°C or below on about 30 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Bommes get?
About 860 mm a year, more than 72% of mainland French towns. November is the wettest month (98 mm) and July the driest (51 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Bordeaux-Mérignac (42 km away), averages 2,070 hours of sunshine a year.
Are these figures for Bommes itself?
No: they are the normals of the Météo-France station matched to Bommes, Sauternes, 1.9 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 SAUTERNES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Bommes →
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.