Nights turn raw in Châtel-Saint-Germain each January, colder than in 84% of mainland French towns
The warmest part of a July day comes in at 25.8°C on average. Wet weather is most frequent in December and least in April. It is a dry place: less rain falls here than on 63% of mainland French towns. Frost greets about 61 mornings a year, so leave time to clear the car.
Figures from Météo-France’s Metz-Frescaty station, 6.2 km south-east.
A year in Châtel-Saint-Germain at a glance
Each month’s typical high and low in °C, at the Metz-Frescaty station.
What a year in Châtel-Saint-Germain feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Metz-Frescaty.
About 714 mm of rain a year
December is the wettest month and April the driest. About 20 days a year bring 10 mm or more. 39th 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: 61 frosts and 56 days of 25°C a year
On about 61 nights a year the air drops to 0°C or below, and on about 9 days it stays below freezing all day. About 56 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Metz-Frescaty: 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 Metz-Frescaty
Metz-Frescaty is 6.2 km south-east of Châtel-Saint-Germain. Every figure on this page is the station’s, not a measurement in Châtel-Saint-Germain itself.
| Station (Météo-France number) | Metz-Frescaty (57039001) |
| Distance from the town | 6.2 km south-east |
| Station altitude | 192 m |
| Town altitude (its center) | 204 m |
| Period | 1991–2020 |
| Sunshine measured at | Aéroport Metz-Nancy-Lorraine, 19 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 Châtel-Saint-Germain 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 |
|---|---|---|---|---|
| Châtel-Saint-Germain | Metz-Frescaty | 25.8°C | 0.0°C | 714 mm |
| Scy-Chazelles 2.6 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Moulins-lès-Metz 3.7 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Ars-sur-Moselle 4.6 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Le Ban-Saint-Martin 4.6 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Longeville-lès-Metz 4.6 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Montigny-lès-Metz 5.7 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
Châtel-Saint-Germain weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Metz-Frescaty station; sunshine at Aéroport Metz-Nancy-Lorraine.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.4°C | 0.0°C | 2.7°C | 62 mm | 51 |
| February | 7.1°C | 0.1°C | 3.6°C | 56 mm | 84 |
| March | 11.6°C | 2.4°C | 7.0°C | 51 mm | 164 |
| April | 16.0°C | 4.9°C | 10.5°C | 45 mm | 202 |
| May | 20.0°C | 9.0°C | 14.5°C | 57 mm | 222 |
| June | 23.6°C | 12.3°C | 17.9°C | 56 mm | 234 |
| July | 25.8°C | 14.4°C | 20.1°C | 60 mm | 258 |
| August | 25.5°C | 14.0°C | 19.7°C | 59 mm | 221 |
| September | 20.9°C | 10.4°C | 15.7°C | 62 mm | 189 |
| October | 15.4°C | 7.2°C | 11.3°C | 65 mm | 107 |
| November | 9.4°C | 3.6°C | 6.5°C | 65 mm | 56 |
| December | 6.0°C | 1.0°C | 3.5°C | 77 mm | 46 |
| Year | 15.6°C | 6.6°C | 11.1°C | 714 mm | 1,833 |
Where Châtel-Saint-Germain’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Metz-Frescaty, 6.2 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, 19 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 Châtel-Saint-Germain’s climate
How warm does Châtel-Saint-Germain get in summer?
July is the warmest month, with average highs of 25.8°C. About 56 days a year reach 25°C, fewer than 58% of mainland French towns, and about 16 reach 30°C.
How cold does Châtel-Saint-Germain get in winter?
January nights average 0.0°C. The air drops to 0°C or below on about 61 nights a year, and about 9 days a year stay below freezing all day.
How much rain does Châtel-Saint-Germain get?
About 714 mm a year, less than 63% of mainland French towns. December is the wettest month (77 mm) and April the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Aéroport Metz-Nancy-Lorraine (19 km away), averages 1,833 hours of sunshine a year.
Are these figures for Châtel-Saint-Germain itself?
No: they are the normals of the Météo-France station matched to Châtel-Saint-Germain, Metz-Frescaty, 6.2 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 METZ-FRESCATY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Châtel-Saint-Germain →
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.