Bourbach-le-Bas is among the wettest of mainland French towns: 1,309 mm of rain a year
Nights in January average −1.6°C. Frosty nights outnumber those of 97% of mainland French towns. December is the wettest month, April the driest. An umbrella earns its place on about 142 days a year with 1 mm of rain or more.
Figures from Météo-France’s Bits.-lès-Thann station, 5.6 km north.
A year in Bourbach-le-Bas at a glance
Each month’s typical high and low in °C, at the Bits.-lès-Thann station.
What a year in Bourbach-le-Bas feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Bits.-lès-Thann.
About 1,309 mm of rain a year
December is the wettest month and April the driest. About 47 days a year bring 10 mm or more. The wettest of 52 towns of 2,500+ in Haut-Rhin.
Rain by month
Millimeters
A frosty town: 92 frosts and 60 days of 25°C a year
On about 92 nights a year the air drops to 0°C or below, and on about 13 days it stays below freezing all day. About 60 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Bits.-lès-Thann: 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 Bits.-lès-Thann
Bits.-lès-Thann is 5.6 km north of Bourbach-le-Bas. Every figure on this page is the station’s, not a measurement in Bourbach-le-Bas itself.
| Station (Météo-France number) | Bits.-lès-Thann (68040001) |
| Distance from the town | 5.6 km north |
| Station altitude | 395 m |
| Town altitude (its center) | 381 m |
| Period | 1991–2020 |
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 Bourbach-le-Bas 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 Haut-Rhin.
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 |
|---|---|---|---|---|
| Bourbach-le-Bas | Bits.-lès-Thann | 25.6°C | −1.6°C | 1,309 mm |
| Thann 4.9 km | same station | 25.6°C about the same | −1.6°C about the same | 1,309 mm |
| Masevaux-Niederbruck 5 km | same station | 25.6°C about the same | −1.6°C about the same | 1,309 mm |
| Vieux-Thann 5.7 km | same station | 25.6°C about the same | −1.6°C about the same | 1,309 mm |
| Cernay 9.5 km | Guebwiller | 26.0°C about the same | −0.6°C 1°C milder | 920 mm |
| Wittelsheim 14 km | Mulhouse | 26.4°C 0.8°C warmer | −0.6°C 1°C milder | 748 mm |
| Staffelfelden 16 km | Mulhouse | 26.4°C 0.8°C warmer | −0.6°C 1°C milder | 748 mm |
Bourbach-le-Bas weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Bits.-lès-Thann station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 4.8°C | −1.6°C | 1.6°C | 150 mm |
| February | 6.6°C | −1.7°C | 2.4°C | 121 mm |
| March | 11.3°C | 0.4°C | 5.9°C | 111 mm |
| April | 15.8°C | 3.2°C | 9.5°C | 78 mm |
| May | 19.8°C | 7.2°C | 13.5°C | 98 mm |
| June | 23.6°C | 10.3°C | 17.0°C | 91 mm |
| July | 25.6°C | 12.0°C | 18.8°C | 89 mm |
| August | 25.3°C | 11.7°C | 18.5°C | 89 mm |
| September | 20.8°C | 8.5°C | 14.6°C | 82 mm |
| October | 15.4°C | 5.6°C | 10.5°C | 115 mm |
| November | 9.0°C | 1.8°C | 5.4°C | 113 mm |
| December | 5.4°C | −0.7°C | 2.3°C | 171 mm |
| Year | 15.3°C | 4.7°C | 10.0°C | 1,309 mm |
Where Bourbach-le-Bas’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Bits.-lès-Thann, 5.6 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.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Haut-Rhin.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Bourbach-le-Bas’s climate
How warm does Bourbach-le-Bas get in summer?
July is the warmest month, with average highs of 25.6°C. About 60 days a year reach 25°C, fewer than 51% of mainland French towns, and about 16 reach 30°C.
How cold does Bourbach-le-Bas get in winter?
February nights average −1.7°C. The air drops to 0°C or below on about 92 nights a year, and about 13 days a year stay below freezing all day.
How much rain does Bourbach-le-Bas get?
About 1,309 mm a year, more than 98% of mainland French towns. December is the wettest month (171 mm) and April the driest (78 mm).
Are these figures for Bourbach-le-Bas itself?
No: they are the normals of the Météo-France station matched to Bourbach-le-Bas, Bits.-lès-Thann, 5.6 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 BITS.-LES-THANN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Bourbach-le-Bas →
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.