Few mainland French towns get more rain than Bourbach-le-Haut: 2,282 mm a year
Midsummer highs settle at about 23.8°C. By January nights alone, it runs colder than 94% of mainland French towns. The gap between a January night and a July afternoon is 25°C. Picnics, hikes and garden evenings come into their own from May to September, with highs of 18–24°C.
Figures from Météo-France’s Sewen - Lac Alfeld station, 12 km west.
A year in Bourbach-le-Haut at a glance
Each month’s typical high and low in °C, at the Sewen - Lac Alfeld station.
What a year in Bourbach-le-Haut feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Sewen - Lac Alfeld.
About 2,282 mm of rain a year
December is the wettest month and June the driest. About 73 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: 69 frosts and 44 days of 25°C a year
On about 69 nights a year the air drops to 0°C or below, and on about 16 days it stays below freezing all day. About 44 days a year reach 25°C, and 10 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Sewen - Lac Alfeld: 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 Sewen - Lac Alfeld
Sewen - Lac Alfeld is 12 km west of Bourbach-le-Haut. Every figure on this page is the station’s, not a measurement in Bourbach-le-Haut itself.
| Station (Météo-France number) | Sewen - Lac Alfeld (68307001) |
| Distance from the town | 12 km west |
| Station altitude | 620 m |
| Town altitude (its center) | 581 m |
| Period | 1991–2020 |
| Nearest station of any kind | 4.3 km |
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-Haut 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, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Bourbach-le-Haut | Sewen - Lac Alfeld | 23.8°C | −1.1°C | 2,282 mm |
| Masevaux-Niederbruck 3.7 km | Bits.-lès-Thann | 25.6°C 1.8°C warmer | −1.6°C 0.5°C colder | 1,309 mm |
| Thann 5.8 km | Bits.-lès-Thann | 25.6°C 1.8°C warmer | −1.6°C 0.5°C colder | 1,309 mm |
| Vieux-Thann 7.2 km | Bits.-lès-Thann | 25.6°C 1.8°C warmer | −1.6°C 0.5°C colder | 1,309 mm |
| Cernay 11 km | Guebwiller | 26.0°C 2.2°C warmer | −0.6°C 0.5°C milder | 920 mm |
| Wittelsheim 16 km | Mulhouse | 26.4°C 2.6°C warmer | −0.6°C 0.5°C milder | 748 mm |
| Giromagny 16 km | Giromagny | 24.3°C 0.5°C warmer | −1.3°C about the same | 1,637 mm |
Bourbach-le-Haut weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Sewen - Lac Alfeld station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 3.8°C | −1.1°C | 1.3°C | 285 mm |
| February | 5.0°C | −1.1°C | 2.0°C | 218 mm |
| March | 9.7°C | 1.9°C | 5.8°C | 215 mm |
| April | 14.0°C | 5.1°C | 9.5°C | 129 mm |
| May | 18.2°C | 8.8°C | 13.5°C | 161 mm |
| June | 22.1°C | 12.3°C | 17.2°C | 121 mm |
| July | 23.8°C | 14.1°C | 18.9°C | 132 mm |
| August | 24.1°C | 14.2°C | 19.2°C | 135 mm |
| September | 19.0°C | 10.7°C | 14.8°C | 140 mm |
| October | 13.7°C | 7.0°C | 10.4°C | 203 mm |
| November | 7.9°C | 2.7°C | 5.3°C | 220 mm |
| December | 4.7°C | 0.0°C | 2.3°C | 324 mm |
| Year | 13.8°C | 6.2°C | 10.0°C | 2,282 mm |
Where Bourbach-le-Haut’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Sewen - Lac Alfeld, 12 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-Haut’s climate
How warm does Bourbach-le-Haut get in summer?
August is the warmest month, with average highs of 24.1°C. About 44 days a year reach 25°C, fewer than 76% of mainland French towns, and about 10 reach 30°C.
How cold does Bourbach-le-Haut get in winter?
January nights average −1.1°C. The air drops to 0°C or below on about 69 nights a year, and about 16 days a year stay below freezing all day.
How much rain does Bourbach-le-Haut get?
About 2,282 mm a year, more than almost every mainland French town. December is the wettest month (324 mm) and June the driest (121 mm).
Are these figures for Bourbach-le-Haut itself?
No: they are the normals of the Météo-France station matched to Bourbach-le-Haut, Sewen - Lac Alfeld, 12 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 SEWEN - LAC ALFELD_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Bourbach-le-Haut →
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.