Nights turn raw in Sondernach each January, colder than in 94% of mainland French towns
July afternoons average 22.9°C. Wet weather is most frequent in May and least in April. Of the 52 towns of 2,500+ in Haut-Rhin, it has the coolest July afternoons. Warm coats and heating bills mark the months from November to April, when means dip under 10°C.
Figures from Météo-France’s Trois-Epis station, 17 km north-east.
A year in Sondernach at a glance
Each month’s typical high and low in °C, at the Trois-Epis station.
What a year in Sondernach feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Trois-Epis.
About 805 mm of rain a year
May is the wettest month and April the driest. About 24 days a year bring 10 mm or more. 10th 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: 71 frosts and 31 days of 25°C a year
On about 71 nights a year the air drops to 0°C or below, and on about 21 days it stays below freezing all day. About 31 days a year reach 25°C, and 5 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Trois-Epis: 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 Trois-Epis
Trois-Epis is 17 km north-east of Sondernach. Every figure on this page is the station’s, not a measurement in Sondernach itself.
| Station (Météo-France number) | Trois-Epis (68338001) |
| Distance from the town | 17 km north-east |
| Station altitude | 656 m |
| Town altitude (its center) | 578 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6.7 km |
| Sunshine measured at | Colmar-Meyenheim, 26 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 Sondernach 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 |
|---|---|---|---|---|
| Sondernach | Trois-Epis | 22.9°C | −1.1°C | 805 mm |
| Munster 7.1 km | Rouffach - Sa | 26.0°C 3.1°C warmer | −0.2°C 0.9°C milder | 622 mm |
| Buhl 11 km | Guebwiller | 26.0°C 3.1°C warmer | −0.6°C 0.5°C milder | 920 mm |
| La Bresse 14 km | Sewen - Lac Alfeld | 23.8°C 0.9°C warmer | −1.1°C about the same | 2,282 mm |
| Guebwiller 14 km | Guebwiller | 26.0°C 3.1°C warmer | −0.6°C 0.5°C milder | 920 mm |
| Orbey 15 km | same station | 22.9°C about the same | −1.1°C about the same | 805 mm |
| Soultz-Haut-Rhin 17 km | Guebwiller | 26.0°C 3.1°C warmer | −0.6°C 0.5°C milder | 920 mm |
Sondernach weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Trois-Epis station; sunshine at Colmar-Meyenheim.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.0°C | −1.1°C | 1.4°C | 68 mm | 71 |
| February | 4.8°C | −0.7°C | 2.1°C | 57 mm | 99 |
| March | 8.7°C | 2.1°C | 5.4°C | 55 mm | 156 |
| April | 13.1°C | 5.4°C | 9.2°C | 53 mm | 189 |
| May | 17.1°C | 9.2°C | 13.2°C | 82 mm | 210 |
| June | 20.9°C | 12.6°C | 16.8°C | 74 mm | 234 |
| July | 22.9°C | 14.7°C | 18.8°C | 73 mm | 251 |
| August | 22.7°C | 14.7°C | 18.7°C | 69 mm | 233 |
| September | 18.1°C | 10.9°C | 14.5°C | 60 mm | 181 |
| October | 13.1°C | 7.2°C | 10.2°C | 74 mm | 122 |
| November | 7.8°C | 2.7°C | 5.3°C | 61 mm | 72 |
| December | 4.7°C | 0.0°C | 2.3°C | 79 mm | 63 |
| Year | 13.2°C | 6.5°C | 9.8°C | 805 mm | 1,882 |
Where Sondernach’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Trois-Epis, 17 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, 26 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 Sondernach’s climate
How warm does Sondernach get in summer?
July is the warmest month, with average highs of 22.9°C. About 31 days a year reach 25°C, fewer than 90% of mainland French towns, and about 5 reach 30°C.
How cold does Sondernach get in winter?
January nights average −1.1°C. The air drops to 0°C or below on about 71 nights a year, and about 21 days a year stay below freezing all day.
How much rain does Sondernach get?
About 805 mm a year, more than 61% of mainland French towns. May is the wettest month (82 mm) and April the driest (53 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Colmar-Meyenheim (26 km away), averages 1,882 hours of sunshine a year.
Are these figures for Sondernach itself?
No: they are the normals of the Météo-France station matched to Sondernach, Trois-Epis, 17 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 TROIS-EPIS_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sondernach →
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.