Fewer days reach 25 degrees in Margny than in 81% of mainland French towns
The coldest hours of a January night bottom out at 0.8°C on average. Expect the heaviest rain in December and the lightest in April. Winter nights are cold: in January they are colder than in 77% of mainland French towns. An umbrella earns its place on about 121 days a year with 1 mm of rain or more.
Figures from Météo-France’s Blesmes station, 16 km north-west.
A year in Margny at a glance
Each month’s typical high and low in °C, at the Blesmes station.
What a year in Margny feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Blesmes.
About 713 mm of rain a year
December is the wettest month and April the driest. About 19 days a year bring 10 mm or more. 12th wettest of 22 towns of 2,500+ in Marne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Troyes-Barberey
A frosty town: 51 frosts and 40 days of 25°C a year
On about 51 nights a year the air drops to 0°C or below, and on about 8 days it stays below freezing all day. About 40 days a year reach 25°C, and 8 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Blesmes: 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 Blesmes
Blesmes is 16 km north-west of Margny. Every figure on this page is the station’s, not a measurement in Margny itself.
| Station (Météo-France number) | Blesmes (02094001) |
| Distance from the town | 16 km north-west |
| Station altitude | 222 m |
| Town altitude (its center) | 198 m |
| Period | 1991–2020 |
| Sunshine measured at | Troyes-Barberey, 73 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 Margny 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 Marne.
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 |
|---|---|---|---|---|
| Margny | Blesmes | 24.4°C | 0.8°C | 713 mm |
| Montmirail 9.8 km | Esternay | 25.4°C 1°C warmer | 0.9°C about the same | 701 mm |
| Dormans 16 km | Chambrecy-Civc | 25.4°C 1°C warmer | 0.4°C about the same | 734 mm |
| Château-Thierry 23 km | same station | 24.4°C about the same | 0.8°C about the same | 713 mm |
| Essômes-sur-Marne 24 km | Saint-Cyr/Morin-Bg | 25.5°C 1.1°C warmer | 1.0°C about the same | 815 mm |
| Sézanne 24 km | Esternay-Man | 26.0°C 1.6°C warmer | 0.4°C about the same | 781 mm |
| Épernay 26 km | Bouzy-Civc | 25.5°C 1.1°C warmer | 1.1°C about the same | 688 mm |
Margny weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Blesmes station; sunshine at Troyes-Barberey.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.5°C | 0.8°C | 3.1°C | 64 mm | 63 |
| February | 6.7°C | 0.9°C | 3.8°C | 52 mm | 90 |
| March | 10.9°C | 2.9°C | 6.9°C | 53 mm | 148 |
| April | 14.7°C | 4.9°C | 9.8°C | 48 mm | 190 |
| May | 18.3°C | 8.2°C | 13.2°C | 64 mm | 216 |
| June | 21.6°C | 10.9°C | 16.3°C | 56 mm | 231 |
| July | 24.4°C | 12.9°C | 18.7°C | 58 mm | 242 |
| August | 24.4°C | 13.0°C | 18.7°C | 62 mm | 232 |
| September | 20.1°C | 10.3°C | 15.2°C | 53 mm | 186 |
| October | 14.9°C | 7.7°C | 11.3°C | 65 mm | 125 |
| November | 9.3°C | 4.0°C | 6.6°C | 62 mm | 70 |
| December | 6.0°C | 1.6°C | 3.8°C | 77 mm | 57 |
| Year | 14.7°C | 6.5°C | 10.6°C | 713 mm | 1,851 |
Where Margny’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Blesmes, 16 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, Troyes-Barberey, 73 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 Marne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Margny’s climate
How warm does Margny get in summer?
July is the warmest month, with average highs of 24.4°C. About 40 days a year reach 25°C, fewer than 81% of mainland French towns, and about 8 reach 30°C.
How cold does Margny get in winter?
January nights average 0.8°C. The air drops to 0°C or below on about 51 nights a year, and about 8 days a year stay below freezing all day.
How much rain does Margny get?
About 713 mm a year, less than 64% of mainland French towns. December is the wettest month (77 mm) and April the driest (48 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Troyes-Barberey (73 km away), averages 1,851 hours of sunshine a year.
Are these figures for Margny itself?
No: they are the normals of the Météo-France station matched to Margny, Blesmes, 16 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 BLESMES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Margny →
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.