Wet weather: 982 mm a year falls on Mathons, more than on 87% of mainland French towns
Nights in January average 0.4°C. Expect the heaviest rain in December and the lightest in June. Frosty nights outnumber those of 84% of mainland French towns. Radiators earn their keep from November to March, the months that average under 10°C.
These are the figures of Météo-France’s Chevillon station, 13 km north-east.
A year in Mathons at a glance
Each month’s typical high and low in °C, at the Chevillon station.
What a year in Mathons feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Chevillon.
About 982 mm of rain a year
December is the wettest month and June the driest. About 31 days a year bring 10 mm or more. 2nd wettest of 6 towns of 2,500+ in Haute-Marne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Dizier
A frosty town: 63 frosts and 60 days of 25°C a year
On about 63 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 60 days a year reach 25°C, and 17 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Chevillon: 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 Chevillon
Chevillon is 13 km north-east of Mathons. Every figure on this page is the station’s, not a measurement in Mathons itself.
| Station (Météo-France number) | Chevillon (52123003) |
| Distance from the town | 13 km north-east |
| Station altitude | 170 m |
| Town altitude (its center) | 307 m |
| Period | 1992–2020 (the station’s own record) |
| Nearest station of any kind | 4.3 km |
| Sunshine measured at | Saint-Dizier, 26 km away |
Mathons sits 137 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Mathons to run about 0.9°C cooler than these figures.
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 Mathons 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 Haute-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 |
|---|---|---|---|---|
| Mathons | Chevillon | 25.9°C | 0.4°C | 982 mm |
| Joinville 7.8 km | same station | 25.9°C about the same | 0.4°C about the same | 982 mm |
| Wassy 11 km | same station | 25.9°C about the same | 0.4°C about the same | 982 mm |
| Ancerville 24 km | Saint-Dizier | 26.0°C about the same | 0.8°C about the same | 795 mm |
| Saint-Dizier 25 km | Saint-Dizier | 26.0°C about the same | 0.8°C about the same | 795 mm |
Mathons weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Chevillon station; sunshine at Saint-Dizier.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.3°C | 0.4°C | 3.3°C | 90 mm | 61 |
| February | 7.9°C | 0.4°C | 4.1°C | 84 mm | 81 |
| March | 12.1°C | 2.0°C | 7.1°C | 74 mm | 143 |
| April | 16.2°C | 4.3°C | 10.3°C | 66 mm | 183 |
| May | 20.2°C | 8.3°C | 14.3°C | 78 mm | 216 |
| June | 23.8°C | 11.4°C | 17.6°C | 66 mm | 228 |
| July | 25.9°C | 13.3°C | 19.6°C | 76 mm | 235 |
| August | 25.6°C | 13.1°C | 19.3°C | 83 mm | 224 |
| September | 21.2°C | 9.7°C | 15.4°C | 76 mm | 173 |
| October | 16.2°C | 7.2°C | 11.7°C | 93 mm | 116 |
| November | 10.3°C | 3.6°C | 6.9°C | 90 mm | 63 |
| December | 6.8°C | 1.4°C | 4.1°C | 107 mm | 53 |
| Year | 16.0°C | 6.3°C | 11.1°C | 982 mm | 1,776 |
Where Mathons’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Chevillon, 13 km away: statistics for 1991–2020 (the station’s own years, 1992–2020, where its record is shorter).
- 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, 26 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 Haute-Marne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Mathons’s climate
How warm does Mathons get in summer?
July is the warmest month, with average highs of 25.9°C. About 60 days a year reach 25°C, fewer than 52% of mainland French towns, and about 17 reach 30°C.
How cold does Mathons get in winter?
January nights average 0.4°C. The air drops to 0°C or below on about 63 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Mathons get?
About 982 mm a year, more than 87% of mainland French towns. December is the wettest month (107 mm) and June the driest (66 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Dizier (26 km away), averages 1,776 hours of sunshine a year.
Are these figures for Mathons itself?
No: they are the normals of the Météo-France station matched to Mathons, Chevillon, 13 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 CHEVILLON_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Mathons →
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.