Rosteig sits near the top of mainland French towns for frosts
High summer brings afternoon highs near 26.4°C. By rainfall alone, it ranks wetter than 84% of mainland French towns. Temperatures cover 28°C across the year, low to high. An umbrella earns its place on about 135 days a year with 1 mm of rain or more.
These are the figures of Météo-France’s Mouterhouse station, 10 km north-east.
A year in Rosteig at a glance
Each month’s typical high and low in °C, at the Mouterhouse station.
What a year in Rosteig feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Mouterhouse.
About 954 mm of rain a year
December is the wettest month and April the driest. About 30 days a year bring 10 mm or more. 3rd wettest of 79 towns of 2,500+ in Bas-Rhin.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Volmunster
A frosty town: 99 frosts and 68 days of 25°C a year
On about 99 nights a year the air drops to 0°C or below, and on about 12 days it stays below freezing all day. About 68 days a year reach 25°C, and 21 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Mouterhouse: 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 Mouterhouse
Mouterhouse is 10 km north-east of Rosteig. Every figure on this page is the station’s, not a measurement in Rosteig itself.
| Station (Météo-France number) | Mouterhouse (57489001) |
| Distance from the town | 10 km north-east |
| Station altitude | 265 m |
| Town altitude (its center) | 252 m |
| Period | 1991–2020 |
| Sunshine measured at | Volmunster, 22 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 Rosteig 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 Bas-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 |
|---|---|---|---|---|
| Rosteig | Mouterhouse | 26.4°C | −1.5°C | 954 mm |
| Ingwiller 12 km | same station | 26.4°C about the same | −1.5°C about the same | 954 mm |
| Bitche 15 km | same station | 26.4°C about the same | −1.5°C about the same | 954 mm |
| Bouxwiller 16 km | same station | 26.4°C about the same | −1.5°C about the same | 954 mm |
| Sarre-Union 18 km | same station | 26.4°C about the same | −1.5°C about the same | 954 mm |
| Phalsbourg 20 km | Phalsbourg | 24.3°C 2.1°C cooler | −0.7°C 0.8°C milder | 865 mm |
| Saverne 21 km | Phalsbourg | 24.3°C 2.1°C cooler | −0.7°C 0.8°C milder | 865 mm |
Rosteig weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Mouterhouse station; sunshine at Volmunster.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.9°C | −1.5°C | 1.7°C | 92 mm | 50 |
| February | 6.9°C | −1.7°C | 2.6°C | 80 mm | 77 |
| March | 11.9°C | 0.2°C | 6.0°C | 79 mm | 160 |
| April | 16.8°C | 2.6°C | 9.7°C | 55 mm | 205 |
| May | 20.8°C | 6.8°C | 13.8°C | 78 mm | 218 |
| June | 24.3°C | 10.1°C | 17.2°C | 69 mm | 241 |
| July | 26.4°C | 11.9°C | 19.1°C | 76 mm | 246 |
| August | 26.0°C | 11.5°C | 18.7°C | 69 mm | 212 |
| September | 21.2°C | 7.8°C | 14.5°C | 72 mm | 173 |
| October | 15.3°C | 5.3°C | 10.3°C | 83 mm | 105 |
| November | 8.9°C | 2.0°C | 5.5°C | 89 mm | 52 |
| December | 5.4°C | −0.4°C | 2.5°C | 112 mm | 40 |
| Year | 15.7°C | 4.5°C | 10.1°C | 954 mm | 1,778 |
Where Rosteig’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Mouterhouse, 10 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, Volmunster, 22 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 Bas-Rhin.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Rosteig’s climate
How warm does Rosteig get in summer?
July is the warmest month, with average highs of 26.4°C. About 68 days a year reach 25°C, more than 60% of mainland French towns, and about 21 reach 30°C.
How cold does Rosteig get in winter?
February nights average −1.7°C. The air drops to 0°C or below on about 99 nights a year, and about 12 days a year stay below freezing all day.
How much rain does Rosteig get?
About 954 mm a year, more than 84% of mainland French towns. December is the wettest month (112 mm) and April the driest (55 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Volmunster (22 km away), averages 1,778 hours of sunshine a year.
Are these figures for Rosteig itself?
No: they are the normals of the Météo-France station matched to Rosteig, Mouterhouse, 10 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 MOUTERHOUSE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Rosteig →
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.