Few mainland French towns get more frosts than Semmadon
July afternoons average 26.5°C. It is a wet place: more rain falls here than on 89% of mainland French towns. Of all months, December brings the most rain and April the least. Keep the boiler serviced for the months from November to March, which average under 10°C.
Figures from Météo-France’s Combeaufontaine station, 3.8 km south-east.
A year in Semmadon at a glance
Each month’s typical high and low in °C, at the Combeaufontaine station.
What a year in Semmadon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Combeaufontaine.
About 1,044 mm of rain a year
December is the wettest month and April the driest. About 36 days a year bring 10 mm or more. 6th wettest of 11 towns of 2,500+ in Haute-Saône.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Chargey-lès-Gray
A frosty town: 88 frosts and 69 days of 25°C a year
On about 88 nights a year the air drops to 0°C or below, and on about 9 days it stays below freezing all day. About 69 days a year reach 25°C, and 21 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Combeaufontaine: 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 Combeaufontaine
Combeaufontaine is 3.8 km south-east of Semmadon. Every figure on this page is the station’s, not a measurement in Semmadon itself.
| Station (Météo-France number) | Combeaufontaine (70165001) |
| Distance from the town | 3.8 km south-east |
| Station altitude | 252 m |
| Town altitude (its center) | 286 m |
| Period | 1991–2020 |
| Sunshine measured at | Chargey-lès-Gray, 33 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 Semmadon 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, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Semmadon | Combeaufontaine | 26.5°C | −1.2°C | 1,044 mm |
| Port-sur-Saône 14 km | Vesoul Ville | 27.2°C 0.7°C warmer | −0.4°C 0.8°C milder | 1,008 mm |
| Vesoul 25 km | Vesoul Ville | 27.2°C 0.7°C warmer | −0.4°C 0.8°C milder | 1,008 mm |
| Échenoz-la-Méline 25 km | Vesoul Ville | 27.2°C 0.7°C warmer | −0.4°C 0.8°C milder | 1,008 mm |
Semmadon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Combeaufontaine station; sunshine at Chargey-lès-Gray.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.4°C | −1.2°C | 2.1°C | 91 mm | 70 |
| February | 7.4°C | −1.1°C | 3.2°C | 76 mm | 99 |
| March | 12.1°C | 0.9°C | 6.5°C | 79 mm | 165 |
| April | 16.4°C | 3.5°C | 10.0°C | 70 mm | 198 |
| May | 20.5°C | 7.6°C | 14.1°C | 97 mm | 222 |
| June | 24.4°C | 11.1°C | 17.7°C | 82 mm | 255 |
| July | 26.5°C | 12.9°C | 19.7°C | 84 mm | 254 |
| August | 26.2°C | 12.5°C | 19.4°C | 81 mm | 229 |
| September | 21.5°C | 9.0°C | 15.3°C | 79 mm | 189 |
| October | 16.0°C | 6.1°C | 11.0°C | 96 mm | 124 |
| November | 9.7°C | 2.2°C | 6.0°C | 102 mm | 72 |
| December | 6.0°C | −0.2°C | 2.9°C | 107 mm | 58 |
| Year | 16.0°C | 5.3°C | 10.7°C | 1,044 mm | 1,934 |
Where Semmadon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Combeaufontaine, 3.8 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, Chargey-lès-Gray, 33 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-Saône.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Semmadon’s climate
How warm does Semmadon get in summer?
July is the warmest month, with average highs of 26.5°C. About 69 days a year reach 25°C, more than 61% of mainland French towns, and about 21 reach 30°C.
How cold does Semmadon get in winter?
January nights average −1.2°C. The air drops to 0°C or below on about 88 nights a year, and about 9 days a year stay below freezing all day.
How much rain does Semmadon get?
About 1,044 mm a year, more than 89% of mainland French towns. December is the wettest month (107 mm) and April the driest (70 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Chargey-lès-Gray (33 km away), averages 1,934 hours of sunshine a year.
Are these figures for Semmadon itself?
No: they are the normals of the Météo-France station matched to Semmadon, Combeaufontaine, 3.8 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 COMBEAUFONTAINE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Semmadon →
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.