Winter nights in Boustroff are colder than in 90% of mainland French towns
In July the day’s top temperature is typically 25.1°C. Rain is light here, less than falls on 75% of mainland French towns. Expect the heaviest rain in December and the lightest in April. An umbrella earns its place on about 117 days a year with 1 mm of rain or more.
Figures from Météo-France’s Aéroport Metz-Nancy-Lorraine station, 28 km west: at that distance, read them as the area’s climate rather than the town’s.
A year in Boustroff at a glance
Each month’s typical high and low in °C, at the Aéroport Metz-Nancy-Lorraine station.
What a year in Boustroff feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Aéroport Metz-Nancy-Lorraine.
About 679 mm of rain a year
December is the wettest month and April the driest. About 18 days a year bring 10 mm or more. 64th wettest of 80 towns of 2,500+ in Moselle.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Aéroport Metz-Nancy-Lorraine
A frosty town: 62 frosts and 49 days of 25°C a year
On about 62 nights a year the air drops to 0°C or below, and on about 11 days it stays below freezing all day. About 49 days a year reach 25°C, and 12 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Aéroport Metz-Nancy-Lorraine: 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 Aéroport Metz-Nancy-Lorraine
Aéroport Metz-Nancy-Lorraine is 28 km west of Boustroff. Every figure on this page is the station’s, not a measurement in Boustroff itself.
| Station (Météo-France number) | Aéroport Metz-Nancy-Lorraine (57251001) |
| Distance from the town | 28 km west |
| Station altitude | 260 m |
| Town altitude (its center) | 284 m |
| Period | 1991–2020 |
| Nearest station of any kind | 9.2 km |
| Sunshine measured at | the same station |
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 Boustroff 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 |
|---|---|---|---|---|
| Boustroff | Aéroport Metz-Nancy-Lorraine | 25.1°C | −0.5°C | 679 mm |
| Faulquemont 6.1 km | same station | 25.1°C about the same | −0.5°C about the same | 679 mm |
| Créhange 7.5 km | same station | 25.1°C about the same | −0.5°C about the same | 679 mm |
| Morhange 8.5 km | same station | 25.1°C about the same | −0.5°C about the same | 679 mm |
| Folschviller 9.7 km | same station | 25.1°C about the same | −0.5°C about the same | 679 mm |
| Valmont 11 km | same station | 25.1°C about the same | −0.5°C about the same | 679 mm |
| Longeville-lès-Saint-Avold 13 km | same station | 25.1°C about the same | −0.5°C about the same | 679 mm |
Boustroff weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Aéroport Metz-Nancy-Lorraine station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.7°C | −0.5°C | 2.1°C | 53 mm | 51 |
| February | 6.5°C | −0.1°C | 3.2°C | 48 mm | 84 |
| March | 10.9°C | 2.1°C | 6.5°C | 47 mm | 164 |
| April | 15.4°C | 4.9°C | 10.1°C | 40 mm | 202 |
| May | 19.3°C | 8.8°C | 14.1°C | 64 mm | 222 |
| June | 23.1°C | 12.1°C | 17.6°C | 57 mm | 234 |
| July | 25.1°C | 14.2°C | 19.7°C | 64 mm | 258 |
| August | 24.8°C | 14.1°C | 19.4°C | 60 mm | 221 |
| September | 20.2°C | 10.5°C | 15.3°C | 59 mm | 189 |
| October | 14.9°C | 7.2°C | 11.0°C | 61 mm | 107 |
| November | 8.8°C | 3.3°C | 6.0°C | 60 mm | 56 |
| December | 5.3°C | 0.6°C | 3.0°C | 67 mm | 46 |
| Year | 14.9°C | 6.4°C | 10.7°C | 679 mm | 1,833 |
Where Boustroff’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Aéroport Metz-Nancy-Lorraine, 28 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, Aéroport Metz-Nancy-Lorraine, 28 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 Boustroff’s climate
How warm does Boustroff get in summer?
July is the warmest month, with average highs of 25.1°C. About 49 days a year reach 25°C, fewer than 70% of mainland French towns, and about 12 reach 30°C.
How cold does Boustroff get in winter?
January nights average −0.5°C. The air drops to 0°C or below on about 62 nights a year, and about 11 days a year stay below freezing all day.
How much rain does Boustroff get?
About 679 mm a year, less than 75% of mainland French towns. December is the wettest month (67 mm) and April the driest (40 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Aéroport Metz-Nancy-Lorraine (28 km away), averages 1,833 hours of sunshine a year.
Are these figures for Boustroff itself?
No: they are the normals of the Météo-France station matched to Boustroff, Aéroport Metz-Nancy-Lorraine, 28 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 AEROPORT METZ-NANCY-LORRAINE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Boustroff →
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.