Rainfall in Prosnes trails that of 74% of mainland French towns: 688 mm a year
Deep winter brings January lows near 1.1°C. Winter nights are cold: in January they are colder than in 72% of mainland French towns. Expect the heaviest rain in December and the lightest in April. Waterproofs come out on about 122 days a year, each with 1 mm of rain or more.
These are the figures of Météo-France’s Bouzy-Civc station, 15 km south-west.
A year in Prosnes at a glance
Each month’s typical high and low in °C, at the Bouzy-Civc station.
What a year in Prosnes feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Bouzy-Civc.
About 688 mm of rain a year
December is the wettest month and April the driest. About 18 days a year bring 10 mm or more. 15th wettest of 22 towns of 2,500+ in Marne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Charleville-Mez
42 frosts and 51 days of 25°C a year
On about 42 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 51 days a year reach 25°C, and 13 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Bouzy-Civc: 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 Bouzy-Civc
Bouzy-Civc is 15 km south-west of Prosnes. Every figure on this page is the station’s, not a measurement in Prosnes itself.
| Station (Météo-France number) | Bouzy-Civc (51079001) |
| Distance from the town | 15 km south-west |
| Station altitude | 153 m |
| Town altitude (its center) | 108 m |
| Period | 1991–2020 |
| Nearest station of any kind | 10 km |
| Sunshine measured at | Charleville-Mez, 71 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 Prosnes 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 |
|---|---|---|---|---|
| Prosnes | Bouzy-Civc | 25.5°C | 1.1°C | 688 mm |
| Mourmelon-le-Grand 7.9 km | same station | 25.5°C about the same | 1.1°C about the same | 688 mm |
| Witry-lès-Reims 17 km | Mailly-Civc | 24.8°C 0.7°C cooler | 1.2°C about the same | 756 mm |
| Cormontreuil 18 km | Mailly-Civc | 24.8°C 0.7°C cooler | 1.2°C about the same | 756 mm |
| Warmeriville 19 km | Juniville | 25.5°C about the same | 0.1°C 1°C colder | 704 mm |
| Suippes 19 km | Sommepy | 25.3°C about the same | 0.5°C 0.6°C colder | 771 mm |
| Reims 20 km | Mailly-Civc | 24.8°C 0.7°C cooler | 1.2°C about the same | 756 mm |
Prosnes weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Bouzy-Civc station; sunshine at Charleville-Mez.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.8°C | 1.1°C | 3.5°C | 58 mm | 50 |
| February | 7.1°C | 1.1°C | 4.1°C | 52 mm | 69 |
| March | 11.6°C | 3.9°C | 7.7°C | 50 mm | 128 |
| April | 15.7°C | 6.5°C | 11.1°C | 45 mm | 177 |
| May | 19.6°C | 10.1°C | 14.8°C | 59 mm | 197 |
| June | 22.9°C | 13.0°C | 17.9°C | 61 mm | 203 |
| July | 25.5°C | 14.9°C | 20.2°C | 59 mm | 214 |
| August | 25.1°C | 14.7°C | 19.9°C | 51 mm | 199 |
| September | 20.7°C | 11.6°C | 16.2°C | 49 mm | 153 |
| October | 15.5°C | 8.3°C | 11.9°C | 64 mm | 97 |
| November | 9.6°C | 4.5°C | 7.0°C | 63 mm | 48 |
| December | 6.3°C | 1.8°C | 4.1°C | 78 mm | 41 |
| Year | 15.5°C | 7.6°C | 11.5°C | 688 mm | 1,576 |
Where Prosnes’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Bouzy-Civc, 15 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, Charleville-Mez, 71 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 Prosnes’s climate
How warm does Prosnes get in summer?
July is the warmest month, with average highs of 25.5°C. About 51 days a year reach 25°C, fewer than 68% of mainland French towns, and about 13 reach 30°C.
How cold does Prosnes get in winter?
January nights average 1.1°C. The air drops to 0°C or below on about 42 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Prosnes get?
About 688 mm a year, less than 74% of mainland French towns. December is the wettest month (78 mm) and April the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Charleville-Mez (71 km away), averages 1,576 hours of sunshine a year.
Are these figures for Prosnes itself?
No: they are the normals of the Météo-France station matched to Prosnes, Bouzy-Civc, 15 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 BOUZY-CIVC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Prosnes →
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.