Ice on the ground: Marson sees more frosts than 88% of mainland French towns
The warmest part of a July day comes in at 25.3°C on average. Expect the heaviest rain in December and the lightest in April. Only about 49 days a year reach 25°C, fewer than in 69% of mainland French towns. Central heating does most of its work from November to April, in months below 10°C on average.
Figures from Météo-France’s Somme-Vesle station, 11 km north-east.
A year in Marson at a glance
Each month’s typical high and low in °C, at the Somme-Vesle station.
What a year in Marson feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Somme-Vesle.
About 782 mm of rain a year
December is the wettest month and April the driest. About 22 days a year bring 10 mm or more. The wettest of 22 towns of 2,500+ in Marne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Dizier
A frosty town: 66 frosts and 49 days of 25°C a year
On about 66 nights a year the air drops to 0°C or below, and on about 7 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 Somme-Vesle: 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 Somme-Vesle
Somme-Vesle is 11 km north-east of Marson. Every figure on this page is the station’s, not a measurement in Marson itself.
| Station (Météo-France number) | Somme-Vesle (51548001) |
| Distance from the town | 11 km north-east |
| Station altitude | 162 m |
| Town altitude (its center) | 120 m |
| Period | 1991–2020 |
| Sunshine measured at | Saint-Dizier, 42 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 Marson 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, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Marson | Somme-Vesle | 25.3°C | 0.1°C | 782 mm |
| Saint-Memmie 11 km | Fagnières-Inrae | 25.9°C 0.6°C warmer | 0.5°C about the same | 632 mm |
| Châlons-en-Champagne 13 km | Fagnières-Inrae | 25.9°C 0.6°C warmer | 0.5°C about the same | 632 mm |
| Fagnières 15 km | Fagnières-Inrae | 25.9°C 0.6°C warmer | 0.5°C about the same | 632 mm |
| Vitry-le-François 21 km | Frignicourt | 26.1°C 0.8°C warmer | 0.9°C 0.8°C milder | 695 mm |
| Suippes 24 km | Sommepy | 25.3°C about the same | 0.5°C about the same | 771 mm |
| Mourmelon-le-Grand 28 km | Bouzy-Civc | 25.5°C about the same | 1.1°C 1°C milder | 688 mm |
Marson weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Somme-Vesle station; sunshine at Saint-Dizier.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.8°C | 0.1°C | 3.0°C | 70 mm | 61 |
| February | 7.4°C | 0.4°C | 3.9°C | 63 mm | 81 |
| March | 11.6°C | 2.1°C | 6.8°C | 60 mm | 143 |
| April | 15.7°C | 3.9°C | 9.8°C | 52 mm | 183 |
| May | 19.5°C | 7.8°C | 13.6°C | 66 mm | 216 |
| June | 22.8°C | 10.6°C | 16.7°C | 64 mm | 228 |
| July | 25.3°C | 12.6°C | 18.9°C | 65 mm | 235 |
| August | 25.0°C | 12.6°C | 18.8°C | 67 mm | 224 |
| September | 20.8°C | 9.5°C | 15.1°C | 52 mm | 173 |
| October | 15.5°C | 6.9°C | 11.2°C | 70 mm | 116 |
| November | 9.6°C | 3.5°C | 6.5°C | 71 mm | 63 |
| December | 6.3°C | 1.0°C | 3.7°C | 83 mm | 53 |
| Year | 15.4°C | 5.9°C | 10.7°C | 782 mm | 1,776 |
Where Marson’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Somme-Vesle, 11 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, Saint-Dizier, 42 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 Marson’s climate
How warm does Marson get in summer?
July is the warmest month, with average highs of 25.3°C. About 49 days a year reach 25°C, fewer than 69% of mainland French towns, and about 12 reach 30°C.
How cold does Marson get in winter?
January nights average 0.1°C. The air drops to 0°C or below on about 66 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Marson get?
About 782 mm a year, more than 56% of mainland French towns. December is the wettest month (83 mm) and April the driest (52 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Dizier (42 km away), averages 1,776 hours of sunshine a year.
Are these figures for Marson itself?
No: they are the normals of the Météo-France station matched to Marson, Somme-Vesle, 11 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 SOMME-VESLE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Marson →
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.