Goldbach-Altenbach is among the wettest of mainland French towns: 2,282 mm of rain a year
January nights here settle around −1.1°C. Wet weather is most frequent in December and least in June. Winter nights are cold: in January they are colder than in 94% of mainland French towns. Homes need heating from November to April, the months averaging under 10°C.
These are the figures of Météo-France’s Sewen - Lac Alfeld station, 18 km west.
A year in Goldbach-Altenbach at a glance
Each month’s typical high and low in °C, at the Sewen - Lac Alfeld station.
What a year in Goldbach-Altenbach 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
Sunshine by month
Hours of sunshine at Colmar-Meyenheim
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 18 km west of Goldbach-Altenbach. Every figure on this page is the station’s, not a measurement in Goldbach-Altenbach itself.
| Station (Météo-France number) | Sewen - Lac Alfeld (68307001) |
| Distance from the town | 18 km west |
| Station altitude | 620 m |
| Town altitude (its center) | 732 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6.1 km |
| Sunshine measured at | Colmar-Meyenheim, 24 km away |
Goldbach-Altenbach sits 112 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Goldbach-Altenbach to run about 0.7°C cooler than these figures.
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 Goldbach-Altenbach 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 |
|---|---|---|---|---|
| Goldbach-Altenbach | Sewen - Lac Alfeld | 23.8°C | −1.1°C | 2,282 mm |
| Thann 7.6 km | Bits.-lès-Thann | 25.6°C 1.8°C warmer | −1.6°C 0.5°C colder | 1,309 mm |
| Vieux-Thann 8.3 km | Bits.-lès-Thann | 25.6°C 1.8°C warmer | −1.6°C 0.5°C colder | 1,309 mm |
| Buhl 8.8 km | Guebwiller | 26.0°C 2.2°C warmer | −0.6°C 0.5°C milder | 920 mm |
| Guebwiller 9 km | Guebwiller | 26.0°C 2.2°C warmer | −0.6°C 0.5°C milder | 920 mm |
| Soultz-Haut-Rhin 9.4 km | Guebwiller | 26.0°C 2.2°C warmer | −0.6°C 0.5°C milder | 920 mm |
| Cernay 9.5 km | Guebwiller | 26.0°C 2.2°C warmer | −0.6°C 0.5°C milder | 920 mm |
Goldbach-Altenbach weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Sewen - Lac Alfeld station; sunshine at Colmar-Meyenheim.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 3.8°C | −1.1°C | 1.3°C | 285 mm | 71 |
| February | 5.0°C | −1.1°C | 2.0°C | 218 mm | 99 |
| March | 9.7°C | 1.9°C | 5.8°C | 215 mm | 156 |
| April | 14.0°C | 5.1°C | 9.5°C | 129 mm | 189 |
| May | 18.2°C | 8.8°C | 13.5°C | 161 mm | 210 |
| June | 22.1°C | 12.3°C | 17.2°C | 121 mm | 234 |
| July | 23.8°C | 14.1°C | 18.9°C | 132 mm | 251 |
| August | 24.1°C | 14.2°C | 19.2°C | 135 mm | 233 |
| September | 19.0°C | 10.7°C | 14.8°C | 140 mm | 181 |
| October | 13.7°C | 7.0°C | 10.4°C | 203 mm | 122 |
| November | 7.9°C | 2.7°C | 5.3°C | 220 mm | 72 |
| December | 4.7°C | 0.0°C | 2.3°C | 324 mm | 63 |
| Year | 13.8°C | 6.2°C | 10.0°C | 2,282 mm | 1,882 |
Where Goldbach-Altenbach’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, 18 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, Colmar-Meyenheim, 24 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 Haut-Rhin.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Goldbach-Altenbach’s climate
How warm does Goldbach-Altenbach 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 Goldbach-Altenbach 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 Goldbach-Altenbach 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).
How sunny is it?
The nearest Météo-France station that records sunshine, Colmar-Meyenheim (24 km away), averages 1,882 hours of sunshine a year.
Are these figures for Goldbach-Altenbach itself?
No: they are the normals of the Météo-France station matched to Goldbach-Altenbach, Sewen - Lac Alfeld, 18 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 Goldbach-Altenbach →
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.