Photo: Guilhem Vellut from Annecy, France · CC BY 2.0Thônes sits near the top of mainland French towns for rain, with 1,774 mm a year
On a normal July day the thermometer tops out near 26.5°C. Winter nights are cold: in January they are colder than in almost every mainland French town. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 29°C apart. Central heating does most of its work from November to March, in months below 10°C on average.
Figures from Météo-France’s Thônes station, 0.8 km south.
A year in Thônes at a glance
Each month’s typical high and low in °C, at the Thônes station.
What a year in Thônes feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Thônes.
About 1,774 mm of rain a year
December is the wettest month and April the driest. About 62 days a year bring 10 mm or more. 2nd wettest of 69 towns of 2,500+ in Haute-Savoie.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Meythet
A frosty town: 94 frosts and 67 days of 25°C a year
On about 94 nights a year the air drops to 0°C or below, and on about 10 days it stays below freezing all day. About 67 days a year reach 25°C, and 19 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Thônes: 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 Thônes
Thônes is 0.8 km south of Thônes. Every figure on this page is the station’s, not a measurement in Thônes itself.
| Station (Météo-France number) | Thônes (74280001) |
| Distance from the town | 0.8 km south |
| Station altitude | 630 m |
| Town altitude (its center) | 671 m |
| Period | 1991–2020 |
| Sunshine measured at | Meythet, 19 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 Thônes 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-Savoie.
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 |
|---|---|---|---|---|
| Thônes | Thônes | 26.5°C | −2.8°C | 1,774 mm |
| Villaz 13 km | Groisy | 25.4°C 1.1°C cooler | −2.1°C 0.7°C milder | 1,373 mm |
| Saint-Jorioz 14 km | Meythet | 26.5°C about the same | −1.4°C 1.4°C milder | 1,211 mm |
| Doussard 15 km | Meythet | 26.5°C about the same | −1.4°C 1.4°C milder | 1,211 mm |
| Sevrier 15 km | Meythet | 26.5°C about the same | −1.4°C 1.4°C milder | 1,211 mm |
| Fillière 15 km | Groisy | 25.4°C 1.1°C cooler | −2.1°C 0.7°C milder | 1,373 mm |
| Argonay 16 km | Meythet | 26.5°C about the same | −1.4°C 1.4°C milder | 1,211 mm |
Thônes weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Thônes station; sunshine at Meythet.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.1°C | −2.8°C | 0.6°C | 163 mm | 88 |
| February | 6.4°C | −2.4°C | 2.0°C | 133 mm | 113 |
| March | 11.9°C | 0.8°C | 6.3°C | 142 mm | 174 |
| April | 16.1°C | 3.9°C | 10.0°C | 127 mm | 191 |
| May | 20.2°C | 8.0°C | 14.1°C | 146 mm | 220 |
| June | 24.3°C | 11.5°C | 17.9°C | 133 mm | 256 |
| July | 26.5°C | 13.3°C | 19.9°C | 138 mm | 274 |
| August | 26.1°C | 13.1°C | 19.6°C | 144 mm | 249 |
| September | 21.1°C | 9.7°C | 15.4°C | 137 mm | 195 |
| October | 15.6°C | 6.2°C | 10.9°C | 150 mm | 141 |
| November | 8.7°C | 1.4°C | 5.1°C | 164 mm | 91 |
| December | 4.6°C | −1.9°C | 1.4°C | 196 mm | 78 |
| Year | 15.5°C | 5.1°C | 10.3°C | 1,774 mm | 2,069 |
Where Thônes’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Thônes, 0.8 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, Meythet, 19 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-Savoie.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Thônes’s climate
How warm does Thônes get in summer?
July is the warmest month, with average highs of 26.5°C. About 67 days a year reach 25°C, more than 59% of mainland French towns, and about 19 reach 30°C.
How cold does Thônes get in winter?
January nights average −2.8°C. The air drops to 0°C or below on about 94 nights a year, and about 10 days a year stay below freezing all day.
How much rain does Thônes get?
About 1,774 mm a year, more than almost every mainland French town. December is the wettest month (196 mm) and April the driest (127 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Meythet (19 km away), averages 2,069 hours of sunshine a year.
Are these figures for Thônes itself?
No: they are the normals of the Météo-France station matched to Thônes, Thônes, 0.8 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 THONES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Thônes →
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.