La Chaumusse is among the wettest of mainland French towns: 1,787 mm of rain a year
Deep winter brings January lows near −3.9°C. Frost is common: about 127 nights a year drop below freezing, more than in almost every mainland French town. Of all months, December brings the most rain and April the least. Wet days, with 1 mm of rain or more, come about 157 times a year.
These are the figures of Météo-France’s Cerniébaud station, 20 km north-east.
A year in La Chaumusse at a glance
Each month’s typical high and low in °C, at the Cerniébaud station.
What a year in La Chaumusse feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Cerniébaud.
About 1,787 mm of rain a year
December is the wettest month and April the driest. About 66 days a year bring 10 mm or more. 3rd wettest of 11 towns of 2,500+ in Jura.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Tavaux Sa
A frosty town: 127 frosts and 27 days of 25°C a year
On about 127 nights a year the air drops to 0°C or below, and on about 20 days it stays below freezing all day. About 27 days a year reach 25°C, and 4 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Cerniébaud: 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 Cerniébaud
Cerniébaud is 20 km north-east of La Chaumusse. Every figure on this page is the station’s, not a measurement in La Chaumusse itself.
| Station (Météo-France number) | Cerniébaud (39085002) |
| Distance from the town | 20 km north-east |
| Station altitude | 966 m |
| Town altitude (its center) | 861 m |
| Period | 1991–2020 |
| Nearest station of any kind | 14 km |
| Sunshine measured at | Tavaux Sa, 64 km away |
La Chaumusse sits 105 m lower than the station. Air usually warms by about 0.65°C every 100 m you go down, so expect La Chaumusse to run about 0.7°C warmer 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 La Chaumusse 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 Jura.
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 |
|---|---|---|---|---|
| La Chaumusse | Cerniébaud | 22.0°C | −3.9°C | 1,787 mm |
| Hauts de Bienne 9.7 km | Saint-Claude | 26.9°C 4.9°C warmer | −2.3°C 1.6°C milder | 1,869 mm |
| Les Rousses 15 km | La Pesse | 20.0°C 2°C cooler | −4.2°C about the same | 1,660 mm |
| Champagnole 17 km | Champagnole | 24.8°C 2.8°C warmer | −3.1°C 0.8°C milder | 1,573 mm |
| Saint-Claude 23 km | Saint-Claude | 26.9°C 4.9°C warmer | −2.3°C 1.6°C milder | 1,869 mm |
La Chaumusse weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Cerniébaud station; sunshine at Tavaux Sa.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.1°C | −3.9°C | 0.1°C | 155 mm | 57 |
| February | 4.7°C | −4.2°C | 0.2°C | 133 mm | 100 |
| March | 8.4°C | −1.3°C | 3.6°C | 136 mm | 186 |
| April | 12.1°C | 1.6°C | 6.8°C | 130 mm | 215 |
| May | 16.0°C | 5.5°C | 10.8°C | 162 mm | 221 |
| June | 19.9°C | 8.8°C | 14.4°C | 142 mm | 252 |
| July | 22.0°C | 10.7°C | 16.4°C | 138 mm | 276 |
| August | 22.0°C | 10.6°C | 16.3°C | 136 mm | 251 |
| September | 17.6°C | 7.5°C | 12.6°C | 137 mm | 205 |
| October | 13.8°C | 4.3°C | 9.0°C | 166 mm | 128 |
| November | 8.1°C | −0.1°C | 4.0°C | 166 mm | 67 |
| December | 4.7°C | −3.0°C | 0.9°C | 185 mm | 54 |
| Year | 12.8°C | 3.0°C | 7.9°C | 1,787 mm | 2,012 |
Where La Chaumusse’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Cerniébaud, 20 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, Tavaux Sa, 64 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 Jura.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about La Chaumusse’s climate
How warm does La Chaumusse get in summer?
July is the warmest month, with average highs of 22.0°C. About 27 days a year reach 25°C, fewer than 93% of mainland French towns, and about 4 reach 30°C.
How cold does La Chaumusse get in winter?
February nights average −4.2°C. The air drops to 0°C or below on about 127 nights a year, and about 20 days a year stay below freezing all day.
How much rain does La Chaumusse get?
About 1,787 mm a year, more than almost every mainland French town. December is the wettest month (185 mm) and April the driest (130 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Tavaux Sa (64 km away), averages 2,012 hours of sunshine a year.
Are these figures for La Chaumusse itself?
No: they are the normals of the Météo-France station matched to La Chaumusse, Cerniébaud, 20 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 CERNIEBAUD, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for La Chaumusse →
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.