Few mainland French towns get more frosts than Guermange
July afternoons average 25.3°C. Of the 80 towns of 2,500+ in Moselle, it is the wettest. The rainiest month is December; the driest is April. Plan for rain on about 149 days a year, the days with 1 mm or more.
Figures from Météo-France’s Badonviller station, 34 km south: at that distance, read them as the area’s climate rather than the town’s.
A year in Guermange at a glance
Each month’s typical high and low in °C, at the Badonviller station.
What a year in Guermange feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Badonviller.
About 1,066 mm of rain a year
December is the wettest month and April the driest. About 33 days a year bring 10 mm or more. The wettest of 80 towns of 2,500+ in Moselle.
Rain by month
Millimeters
A frosty town: 88 frosts and 58 days of 25°C a year
On about 88 nights a year the air drops to 0°C or below, and on about 12 days it stays below freezing all day. About 58 days a year reach 25°C, and 14 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Badonviller: 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 Badonviller
Badonviller is 34 km south of Guermange. Every figure on this page is the station’s, not a measurement in Guermange itself.
| Station (Météo-France number) | Badonviller (54040001) |
| Distance from the town | 34 km south |
| Station altitude | 336 m |
| Town altitude (its center) | 219 m |
| Period | 1991–2020 |
| Nearest station of any kind | 15 km |
Guermange sits 117 m lower than the station. Air usually warms by about 0.65°C every 100 m you go down, so expect Guermange to run about 0.8°C warmer 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 Guermange 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 Moselle.
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 |
|---|---|---|---|---|
| Guermange | Badonviller | 25.3°C | −1.3°C | 1,066 mm |
| Dieuze 6.8 km | Nancy-Essey | 25.8°C 0.5°C warmer | −0.2°C 1.1°C milder | 746 mm |
| Morhange 19 km | Aéroport Metz-Nancy-Lorraine | 25.1°C about the same | −0.5°C 0.8°C milder | 679 mm |
| Sarrebourg 19 km | Phalsbourg | 24.3°C 1°C cooler | −0.7°C 0.6°C milder | 865 mm |
| Sarre-Union 26 km | Mouterhouse | 26.4°C 1.1°C warmer | −1.5°C about the same | 954 mm |
| Sarralbe 27 km | Mouterhouse | 26.4°C 1.1°C warmer | −1.5°C about the same | 954 mm |
Guermange weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Badonviller station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 5.1°C | −1.3°C | 1.9°C | 90 mm |
| February | 6.7°C | −1.3°C | 2.7°C | 81 mm |
| March | 11.1°C | 0.8°C | 5.9°C | 81 mm |
| April | 15.7°C | 3.2°C | 9.4°C | 68 mm |
| May | 19.6°C | 7.4°C | 13.5°C | 97 mm |
| June | 23.2°C | 10.7°C | 16.9°C | 86 mm |
| July | 25.3°C | 12.6°C | 18.9°C | 93 mm |
| August | 25.0°C | 12.3°C | 18.7°C | 84 mm |
| September | 20.6°C | 8.9°C | 14.7°C | 91 mm |
| October | 15.5°C | 6.0°C | 10.8°C | 94 mm |
| November | 9.3°C | 2.2°C | 5.8°C | 97 mm |
| December | 5.8°C | −0.1°C | 2.8°C | 104 mm |
| Year | 15.2°C | 5.1°C | 10.2°C | 1,066 mm |
Where Guermange’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Badonviller, 34 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 Moselle.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Guermange’s climate
How warm does Guermange get in summer?
July is the warmest month, with average highs of 25.3°C. About 58 days a year reach 25°C, fewer than 56% of mainland French towns, and about 14 reach 30°C.
How cold does Guermange get in winter?
January nights average −1.3°C. The air drops to 0°C or below on about 88 nights a year, and about 12 days a year stay below freezing all day.
How much rain does Guermange get?
About 1,066 mm a year, more than 89% of mainland French towns. December is the wettest month (104 mm) and April the driest (68 mm).
Are these figures for Guermange itself?
No: they are the normals of the Météo-France station matched to Guermange, Badonviller, 34 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 BADONVILLER, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Guermange →
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.