Few mainland French towns get more frosts than Arc-sous-Montenot
The warmest part of a July day comes in at 24.8°C on average. December is the wettest month, April the driest. Its yearly rainfall tops that of almost every mainland French town. Warm coats and heating bills mark the months from November to April, when means dip under 10°C.
These are the figures of Météo-France’s Champagnole station, 19 km south-west.
A year in Arc-sous-Montenot at a glance
Each month’s typical high and low in °C, at the Champagnole station.
What a year in Arc-sous-Montenot feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Champagnole.
About 1,573 mm of rain a year
December is the wettest month and April the driest. About 57 days a year bring 10 mm or more. 4th wettest of 34 towns of 2,500+ in Doubs.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Besançon
A frosty town: 112 frosts and 50 days of 25°C a year
On about 112 nights a year the air drops to 0°C or below, and on about 9 days it stays below freezing all day. About 50 days a year reach 25°C, and 11 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Champagnole: 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 Champagnole
Champagnole is 19 km south-west of Arc-sous-Montenot. Every figure on this page is the station’s, not a measurement in Arc-sous-Montenot itself.
| Station (Météo-France number) | Champagnole (39097003) |
| Distance from the town | 19 km south-west |
| Station altitude | 537 m |
| Town altitude (its center) | 648 m |
| Period | 1991–2020 |
| Nearest station of any kind | 12 km |
| Sunshine measured at | Besançon, 37 km away |
Arc-sous-Montenot sits 111 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Arc-sous-Montenot to run about 0.7°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 Arc-sous-Montenot 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 Doubs.
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 |
|---|---|---|---|---|
| Arc-sous-Montenot | Champagnole | 24.8°C | −3.1°C | 1,573 mm |
| Arbois 17 km | Arbois | 25.7°C 0.9°C warmer | 0.4°C 3.5°C milder | 1,203 mm |
| Champagnole 20 km | same station | 24.8°C about the same | −3.1°C about the same | 1,573 mm |
| Poligny 24 km | Arbois | 25.7°C 0.9°C warmer | 0.4°C 3.5°C milder | 1,203 mm |
| Ornans 24 km | Besançon | 25.7°C 0.9°C warmer | 0.1°C 3.2°C milder | 1,157 mm |
| Doubs 27 km | Pontarlier | 23.5°C 1.3°C cooler | −3.6°C 0.5°C colder | 1,464 mm |
| Pontarlier 27 km | Pontarlier | 23.5°C 1.3°C cooler | −3.6°C 0.5°C colder | 1,464 mm |
Arc-sous-Montenot weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Champagnole station; sunshine at Besançon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.9°C | −3.1°C | 1.4°C | 136 mm | 68 |
| February | 7.1°C | −3.2°C | 1.9°C | 116 mm | 97 |
| March | 11.3°C | −0.5°C | 5.4°C | 123 mm | 153 |
| April | 14.9°C | 2.0°C | 8.5°C | 113 mm | 184 |
| May | 18.8°C | 6.1°C | 12.5°C | 137 mm | 208 |
| June | 22.6°C | 9.4°C | 16.0°C | 118 mm | 231 |
| July | 24.8°C | 11.2°C | 18.0°C | 117 mm | 249 |
| August | 24.7°C | 10.8°C | 17.7°C | 121 mm | 237 |
| September | 20.3°C | 7.4°C | 13.9°C | 120 mm | 184 |
| October | 16.1°C | 4.4°C | 10.2°C | 145 mm | 132 |
| November | 10.0°C | 0.4°C | 5.2°C | 159 mm | 75 |
| December | 6.4°C | −2.2°C | 2.1°C | 168 mm | 56 |
| Year | 15.2°C | 3.6°C | 9.4°C | 1,573 mm | 1,873 |
Where Arc-sous-Montenot’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Champagnole, 19 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, Besançon, 37 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 Doubs.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Arc-sous-Montenot’s climate
How warm does Arc-sous-Montenot get in summer?
July is the warmest month, with average highs of 24.8°C. About 50 days a year reach 25°C, fewer than 68% of mainland French towns, and about 11 reach 30°C.
How cold does Arc-sous-Montenot get in winter?
February nights average −3.2°C. The air drops to 0°C or below on about 112 nights a year, and about 9 days a year stay below freezing all day.
How much rain does Arc-sous-Montenot get?
About 1,573 mm a year, more than almost every mainland French town. December is the wettest month (168 mm) and April the driest (113 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Besançon (37 km away), averages 1,873 hours of sunshine a year.
Are these figures for Arc-sous-Montenot itself?
No: they are the normals of the Météo-France station matched to Arc-sous-Montenot, Champagnole, 19 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 CHAMPAGNOLE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Arc-sous-Montenot →
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.