Photo: Espirat · CC BY-SA 4.0Few mainland French towns get more frosts than Saint-Loup-sur-Semouse
The warmest part of a July day comes in at 26.3°C on average. Its yearly rainfall tops that of 96% of mainland French towns. Of all months, December brings the most rain and April the least. Long walks are most pleasant from June to September, when afternoons reach 21–26°C.
These are the figures of Météo-France’s Aillevillers station, 5.8 km north-east.
A year in Saint-Loup-sur-Semouse at a glance
Each month’s typical high and low in °C, at the Aillevillers station.
What a year in Saint-Loup-sur-Semouse feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Aillevillers.
About 1,175 mm of rain a year
December is the wettest month and April the driest. About 41 days a year bring 10 mm or more. 3rd wettest of 11 towns of 2,500+ in Haute-Saône.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Luxeuil
A frosty town: 91 frosts and 67 days of 25°C a year
On about 91 nights a year the air drops to 0°C or below, and on about 8 days it stays below freezing all day. About 67 days a year reach 25°C, and 22 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Aillevillers: 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 Aillevillers
Aillevillers is 5.8 km north-east of Saint-Loup-sur-Semouse. Every figure on this page is the station’s, not a measurement in Saint-Loup-sur-Semouse itself.
| Station (Météo-France number) | Aillevillers (70006001) |
| Distance from the town | 5.8 km north-east |
| Station altitude | 275 m |
| Town altitude (its center) | 244 m |
| Period | 1991–2020 |
| Sunshine measured at | Luxeuil, 13 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 Saint-Loup-sur-Semouse 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 |
|---|---|---|---|---|
| Saint-Loup-sur-Semouse | Aillevillers | 26.3°C | −1.6°C | 1,175 mm |
| Fougerolles-Saint-Valbert 9.8 km | Fougerolles | 25.5°C 0.8°C cooler | −1.1°C 0.5°C milder | 1,161 mm |
| Luxeuil-les-Bains 11 km | Luxeuil | 26.0°C about the same | −1.2°C about the same | 977 mm |
| Le Val-d'Ajol 17 km | Val-d Ajol | 25.9°C about the same | −1.3°C about the same | 1,576 mm |
| Xertigny 20 km | Fougerolles | 24.6°C 1.7°C cooler | −1.4°C about the same | 1,513 mm |
| Remiremont 28 km | Val-d Ajol | 25.9°C about the same | −1.3°C about the same | 1,576 mm |
| Lure 28 km | Villersexel Sa | 25.9°C about the same | −0.6°C 1°C milder | 1,038 mm |
Saint-Loup-sur-Semouse weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Aillevillers station; sunshine at Luxeuil.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.7°C | −1.6°C | 2.1°C | 105 mm | 69 |
| February | 7.5°C | −1.5°C | 3.0°C | 90 mm | 93 |
| March | 12.2°C | 0.8°C | 6.5°C | 89 mm | 151 |
| April | 16.4°C | 3.6°C | 10.0°C | 75 mm | 183 |
| May | 20.4°C | 7.8°C | 14.1°C | 103 mm | 207 |
| June | 24.2°C | 11.2°C | 17.7°C | 81 mm | 233 |
| July | 26.3°C | 13.1°C | 19.7°C | 91 mm | 250 |
| August | 26.0°C | 12.8°C | 19.4°C | 96 mm | 232 |
| September | 21.3°C | 9.0°C | 15.2°C | 92 mm | 182 |
| October | 16.2°C | 6.0°C | 11.1°C | 110 mm | 120 |
| November | 9.9°C | 2.0°C | 5.9°C | 120 mm | 70 |
| December | 6.3°C | −0.5°C | 2.9°C | 126 mm | 59 |
| Year | 16.0°C | 5.2°C | 10.6°C | 1,175 mm | 1,848 |
Where Saint-Loup-sur-Semouse’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Aillevillers, 5.8 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, Luxeuil, 13 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 Saint-Loup-sur-Semouse’s climate
How warm does Saint-Loup-sur-Semouse get in summer?
July is the warmest month, with average highs of 26.3°C. About 67 days a year reach 25°C, more than 59% of mainland French towns, and about 22 reach 30°C.
How cold does Saint-Loup-sur-Semouse get in winter?
January nights average −1.6°C. The air drops to 0°C or below on about 91 nights a year, and about 8 days a year stay below freezing all day.
How much rain does Saint-Loup-sur-Semouse get?
About 1,175 mm a year, more than 96% of mainland French towns. December is the wettest month (126 mm) and April the driest (75 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Luxeuil (13 km away), averages 1,848 hours of sunshine a year.
Are these figures for Saint-Loup-sur-Semouse itself?
No: they are the normals of the Météo-France station matched to Saint-Loup-sur-Semouse, Aillevillers, 5.8 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 AILLEVILLERS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Loup-sur-Semouse →
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.