Few mainland French towns get more rain than Plancher-Bas: 1,637 mm a year
Midwinter brings lows of about −1.3°C. Winter nights are cold: in January they are colder than in 95% of mainland French towns. Wet weather is most frequent in December and least in April. Keep the boiler serviced for the months from November to April, which average under 10°C.
Figures from Météo-France’s Giromagny station, 7.8 km east.
A year in Plancher-Bas at a glance
Each month’s typical high and low in °C, at the Giromagny station.
What a year in Plancher-Bas feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Giromagny.
About 1,637 mm of rain a year
December is the wettest month and April the driest. About 57 days a year bring 10 mm or more. The wettest of 11 towns of 2,500+ in Haute-Saône.
Rain by month
Millimeters
A frosty town: 73 frosts and 45 days of 25°C a year
On about 73 nights a year the air drops to 0°C or below, and on about 13 days it stays below freezing all day. About 45 days a year reach 25°C, and 9 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Giromagny: 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 Giromagny
Giromagny is 7.8 km east of Plancher-Bas. Every figure on this page is the station’s, not a measurement in Plancher-Bas itself.
| Station (Météo-France number) | Giromagny (90052002) |
| Distance from the town | 7.8 km east |
| Station altitude | 473 m |
| Town altitude (its center) | 449 m |
| Period | 1991–2020 |
| Nearest station of any kind | 5.5 km |
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 Plancher-Bas 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-Saône.
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 |
|---|---|---|---|---|
| Plancher-Bas | Giromagny | 24.3°C | −1.3°C | 1,637 mm |
| Champagney 4.9 km | same station | 24.3°C about the same | −1.3°C about the same | 1,637 mm |
| Giromagny 7.2 km | same station | 24.3°C about the same | −1.3°C about the same | 1,637 mm |
| Ronchamp 7.9 km | same station | 24.3°C about the same | −1.3°C about the same | 1,637 mm |
| Valdoie 10 km | same station | 24.3°C about the same | −1.3°C about the same | 1,637 mm |
| Essert 12 km | Joncherey | 26.4°C 2.1°C warmer | −1.6°C about the same | 1,087 mm |
| Offemont 13 km | Joncherey | 26.4°C 2.1°C warmer | −1.6°C about the same | 1,087 mm |
Plancher-Bas weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Giromagny station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 4.7°C | −1.3°C | 1.7°C | 185 mm |
| February | 6.1°C | −1.1°C | 2.5°C | 144 mm |
| March | 10.5°C | 1.7°C | 6.1°C | 147 mm |
| April | 14.7°C | 4.7°C | 9.7°C | 90 mm |
| May | 18.6°C | 8.7°C | 13.6°C | 128 mm |
| June | 22.4°C | 12.0°C | 17.2°C | 104 mm |
| July | 24.3°C | 13.8°C | 19.1°C | 105 mm |
| August | 24.1°C | 13.6°C | 18.9°C | 106 mm |
| September | 19.6°C | 10.1°C | 14.8°C | 109 mm |
| October | 14.7°C | 6.6°C | 10.7°C | 143 mm |
| November | 8.8°C | 2.4°C | 5.6°C | 161 mm |
| December | 5.5°C | −0.3°C | 2.6°C | 215 mm |
| Year | 14.5°C | 5.9°C | 10.2°C | 1,637 mm |
Where Plancher-Bas’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Giromagny, 7.8 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.
- 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-Saône.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Plancher-Bas’s climate
How warm does Plancher-Bas get in summer?
July is the warmest month, with average highs of 24.3°C. About 45 days a year reach 25°C, fewer than 75% of mainland French towns, and about 9 reach 30°C.
How cold does Plancher-Bas get in winter?
January nights average −1.3°C. The air drops to 0°C or below on about 73 nights a year, and about 13 days a year stay below freezing all day.
How much rain does Plancher-Bas get?
About 1,637 mm a year, more than almost every mainland French town. December is the wettest month (215 mm) and April the driest (90 mm).
Are these figures for Plancher-Bas itself?
No: they are the normals of the Météo-France station matched to Plancher-Bas, Giromagny, 7.8 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 GIROMAGNY_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Plancher-Bas →
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.