Winter nights in Postroff are colder than in 92% of mainland French towns
July afternoons average 24.3°C. Summers stay cool: July afternoons here are cooler than in 80% of mainland French towns. Expect the heaviest rain in December and the lightest in April. The heating season runs November to March: each of those months averages under 10°C.
Figures from Météo-France’s Phalsbourg station, 19 km south-east.
A year in Postroff at a glance
Each month’s typical high and low in °C, at the Phalsbourg station.
What a year in Postroff feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Phalsbourg.
About 865 mm of rain a year
December is the wettest month and April the driest. About 26 days a year bring 10 mm or more. 36th wettest of 80 towns of 2,500+ in Moselle.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Volmunster
A frosty town: 65 frosts and 44 days of 25°C a year
On about 65 nights a year the air drops to 0°C or below, and on about 19 days it stays below freezing all day. About 44 days a year reach 25°C, and 9 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Phalsbourg: 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 Phalsbourg
Phalsbourg is 19 km south-east of Postroff. Every figure on this page is the station’s, not a measurement in Postroff itself.
| Station (Météo-France number) | Phalsbourg (57168001) |
| Distance from the town | 19 km south-east |
| Station altitude | 377 m |
| Town altitude (its center) | 279 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6.4 km |
| Sunshine measured at | Volmunster, 37 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 Postroff 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. 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 |
|---|---|---|---|---|
| Postroff | Phalsbourg | 24.3°C | −0.7°C | 865 mm |
| Sarre-Union 9.7 km | Mouterhouse | 26.4°C 2.1°C warmer | −1.5°C 0.8°C colder | 954 mm |
| Sarrebourg 13 km | same station | 24.3°C about the same | −0.7°C about the same | 865 mm |
| Sarralbe 16 km | Mouterhouse | 26.4°C 2.1°C warmer | −1.5°C 0.8°C colder | 954 mm |
| Phalsbourg 17 km | same station | 24.3°C about the same | −0.7°C about the same | 865 mm |
| Hambach 24 km | Mouterhouse | 26.4°C 2.1°C warmer | −1.5°C 0.8°C colder | 954 mm |
| Saverne 24 km | same station | 24.3°C about the same | −0.7°C about the same | 865 mm |
Postroff weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Phalsbourg station; sunshine at Volmunster.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.0°C | −0.7°C | 1.6°C | 68 mm | 50 |
| February | 5.5°C | −0.3°C | 2.6°C | 64 mm | 77 |
| March | 10.0°C | 2.5°C | 6.2°C | 67 mm | 160 |
| April | 14.8°C | 5.5°C | 10.2°C | 54 mm | 205 |
| May | 18.7°C | 9.2°C | 14.0°C | 81 mm | 218 |
| June | 22.4°C | 12.5°C | 17.4°C | 69 mm | 241 |
| July | 24.3°C | 14.5°C | 19.4°C | 72 mm | 246 |
| August | 24.1°C | 14.4°C | 19.3°C | 73 mm | 212 |
| September | 19.6°C | 10.8°C | 15.2°C | 72 mm | 173 |
| October | 13.9°C | 7.2°C | 10.6°C | 83 mm | 105 |
| November | 7.9°C | 3.1°C | 5.5°C | 75 mm | 52 |
| December | 4.7°C | 0.2°C | 2.5°C | 87 mm | 40 |
| Year | 14.2°C | 6.6°C | 10.4°C | 865 mm | 1,778 |
Where Postroff’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Phalsbourg, 19 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, 37 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 Moselle.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Postroff’s climate
How warm does Postroff get in summer?
July is the warmest month, with average highs of 24.3°C. About 44 days a year reach 25°C, fewer than 77% of mainland French towns, and about 9 reach 30°C.
How cold does Postroff get in winter?
January nights average −0.7°C. The air drops to 0°C or below on about 65 nights a year, and about 19 days a year stay below freezing all day.
How much rain does Postroff get?
About 865 mm a year, more than 73% of mainland French towns. December is the wettest month (87 mm) and April the driest (54 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Volmunster (37 km away), averages 1,778 hours of sunshine a year.
Are these figures for Postroff itself?
No: they are the normals of the Météo-France station matched to Postroff, Phalsbourg, 19 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 PHALSBOURG_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Postroff →
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.