January in Marly bites harder than in 84% of mainland French towns
Midsummer highs settle at about 25.8°C. The rainiest month is December; the driest is April. It is a dry place: less rain falls here than on 63% of mainland French towns. Waterproofs come out on about 118 days a year, each with 1 mm of rain or more.
Figures from Météo-France’s Metz-Frescaty station, 2.4 km west.
A year in Marly at a glance
Each month’s typical high and low in °C, at the Metz-Frescaty station.
What a year in Marly 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 2.4 km west of Marly. Every figure on this page is the station’s, not a measurement in Marly itself.
| Station (Météo-France number) | Metz-Frescaty (57039001) |
| Distance from the town | 2.4 km west |
| Station altitude | 192 m |
| Town altitude (its center) | 169 m |
| Period | 1991–2020 |
| Sunshine measured at | Aéroport Metz-Nancy-Lorraine, 12 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 Marly 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 |
|---|---|---|---|---|
| Marly | Metz-Frescaty | 25.8°C | 0.0°C | 714 mm |
| Montigny-lès-Metz 3.2 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Moulins-lès-Metz 4.2 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Longeville-lès-Metz 5.4 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Metz 5.5 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Scy-Chazelles 5.6 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
| Ars-sur-Moselle 6.4 km | same station | 25.8°C about the same | 0.0°C about the same | 714 mm |
Marly 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 Marly’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Metz-Frescaty, 2.4 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, 12 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 Marly’s climate
How warm does Marly 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 Marly 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 Marly 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 (12 km away), averages 1,833 hours of sunshine a year.
Are these figures for Marly itself?
No: they are the normals of the Météo-France station matched to Marly, Metz-Frescaty, 2.4 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 Marly →
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.