Chêne-Sec sits near the top of mainland French towns for rain, with 1,170 mm a year
The warmest part of a July day comes in at 27.0°C on average. Frosty nights outnumber those of 88% of mainland French towns. Only 27°C separates winter nights from summer afternoons. Expect about 66 frosty starts a year, nights when the air falls below freezing.
These are the figures of Météo-France’s Colonne station, 9.8 km east.
A year in Chêne-Sec at a glance
Each month’s typical high and low in °C, at the Colonne station.
What a year in Chêne-Sec feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Colonne.
About 1,170 mm of rain a year
November is the wettest month and February the driest. About 39 days a year bring 10 mm or more. 7th 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: 66 frosts and 75 days of 25°C a year
On about 66 nights a year the air drops to 0°C or below, and on about 8 days it stays below freezing all day. About 75 days a year reach 25°C, and 24 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Colonne: 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 Colonne
Colonne is 9.8 km east of Chêne-Sec. Every figure on this page is the station’s, not a measurement in Chêne-Sec itself.
| Station (Météo-France number) | Colonne (39159002) |
| Distance from the town | 9.8 km east |
| Station altitude | 244 m |
| Town altitude (its center) | 213 m |
| Period | 1991–2020 |
| Sunshine measured at | Tavaux Sa, 21 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 Chêne-Sec 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 |
|---|---|---|---|---|
| Chêne-Sec | Colonne | 27.0°C | 0.1°C | 1,170 mm |
| Poligny 20 km | Arbois | 25.7°C 1.3°C cooler | 0.4°C about the same | 1,203 mm |
| Montmorot 20 km | Lons le Saunier | 25.9°C 1.1°C cooler | 0.6°C 0.5°C milder | 1,147 mm |
| Tavaux 21 km | Tavaux Sa | 26.9°C about the same | 0.1°C about the same | 869 mm |
| Lons-le-Saunier 22 km | Lons le Saunier | 25.9°C 1.1°C cooler | 0.6°C 0.5°C milder | 1,147 mm |
| Damparis 25 km | Tavaux Sa | 26.9°C about the same | 0.1°C about the same | 869 mm |
| Arbois 26 km | Arbois | 25.7°C 1.3°C cooler | 0.4°C about the same | 1,203 mm |
Chêne-Sec weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Colonne station; sunshine at Tavaux Sa.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.3°C | 0.1°C | 3.2°C | 89 mm | 57 |
| February | 8.2°C | 0.2°C | 4.2°C | 81 mm | 100 |
| March | 13.0°C | 2.8°C | 7.9°C | 83 mm | 186 |
| April | 16.9°C | 5.2°C | 11.1°C | 92 mm | 215 |
| May | 20.9°C | 9.0°C | 15.0°C | 112 mm | 221 |
| June | 24.8°C | 12.4°C | 18.6°C | 88 mm | 252 |
| July | 27.0°C | 14.2°C | 20.6°C | 87 mm | 276 |
| August | 26.8°C | 13.8°C | 20.3°C | 94 mm | 251 |
| September | 22.2°C | 10.5°C | 16.3°C | 95 mm | 205 |
| October | 16.9°C | 7.6°C | 12.3°C | 120 mm | 128 |
| November | 10.5°C | 3.4°C | 7.0°C | 124 mm | 67 |
| December | 6.9°C | 0.9°C | 3.9°C | 107 mm | 54 |
| Year | 16.7°C | 6.7°C | 11.7°C | 1,170 mm | 2,012 |
Where Chêne-Sec’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Colonne, 9.8 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, 21 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 Chêne-Sec’s climate
How warm does Chêne-Sec get in summer?
July is the warmest month, with average highs of 27.0°C. About 75 days a year reach 25°C, more than 67% of mainland French towns, and about 24 reach 30°C.
How cold does Chêne-Sec 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 8 days a year stay below freezing all day.
How much rain does Chêne-Sec get?
About 1,170 mm a year, more than 96% of mainland French towns. November is the wettest month (124 mm) and February the driest (81 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Tavaux Sa (21 km away), averages 2,012 hours of sunshine a year.
Are these figures for Chêne-Sec itself?
No: they are the normals of the Météo-France station matched to Chêne-Sec, Colonne, 9.8 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 COLONNE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Chêne-Sec →
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.