Saint-Jean-d'Arves sits near the top of mainland French towns for frosts
The warmest part of a July day comes in at 21.6°C on average. None of the 37 towns of 2,500+ in Savoie has cooler July afternoons. The gap between a January night and a July afternoon is 27°C. An umbrella earns its place on about 107 days a year with 1 mm of rain or more.
These are the figures of Météo-France’s Valloire Forest station, 13 km east.
A year in Saint-Jean-d'Arves at a glance
Each month’s typical high and low in °C, at the Valloire Forest station.
What a year in Saint-Jean-d'Arves feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Valloire Forest.
About 794 mm of rain a year
November is the wettest month and April the driest. About 27 days a year bring 10 mm or more. 37th wettest of 37 towns of 2,500+ in Savoie.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Villar-Saint-Pancrace
A frosty town: 142 frosts and 19 days of 25°C a year
On about 142 nights a year the air drops to 0°C or below, and on about 25 days it stays below freezing all day. About 19 days a year reach 25°C, and 1 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Valloire Forest: 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 Valloire Forest
Valloire Forest is 13 km east of Saint-Jean-d'Arves. Every figure on this page is the station’s, not a measurement in Saint-Jean-d'Arves itself.
| Station (Météo-France number) | Valloire Forest (73306005) |
| Distance from the town | 13 km east |
| Station altitude | 1,460 m |
| Town altitude (its center) | 1,458 m |
| Period | 1991–2020 |
| Nearest station of any kind | 5.8 km |
| Sunshine measured at | Villar-Saint-Pancrace, 46 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-Jean-d'Arves 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 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 |
|---|---|---|---|---|
| Saint-Jean-d'Arves | Valloire Forest | 21.6°C | −5.2°C | 794 mm |
| Saint-Jean-de-Maurienne 9.9 km | Saint-Jean-de-Maurienne | 27.4°C 5.8°C warmer | −1.9°C 3.3°C milder | 911 mm |
| Le Bourg-d'Oisans 25 km | Saint-Michel Maur | 27.4°C 5.8°C warmer | −2.8°C 2.4°C milder | 754 mm |
| Crêts en Belledonne 26 km | Sainte-Marie Cuines | 28.4°C 6.8°C warmer | −2.2°C 3°C milder | 856 mm |
| Allevard 26 km | Sainte-Marie Cuines | 28.4°C 6.8°C warmer | −2.2°C 3°C milder | 856 mm |
| Les Belleville 27 km | Saint-Martin de Belleville | 21.1°C 0.5°C cooler | −5.9°C 0.7°C colder | 926 mm |
| Froges 28 km | Saint-Pierre-de-Soucy | 27.7°C 6.1°C warmer | −1.8°C 3.4°C milder | 1,122 mm |
Saint-Jean-d'Arves weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Valloire Forest station; sunshine at Villar-Saint-Pancrace.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 3.7°C | −5.2°C | −0.7°C | 70 mm | 126 |
| February | 4.2°C | −5.3°C | −0.5°C | 53 mm | 131 |
| March | 8.0°C | −2.4°C | 2.8°C | 56 mm | 165 |
| April | 11.5°C | 0.9°C | 6.2°C | 52 mm | 193 |
| May | 15.5°C | 4.4°C | 9.9°C | 72 mm | 217 |
| June | 19.3°C | 7.5°C | 13.4°C | 65 mm | 245 |
| July | 21.6°C | 9.2°C | 15.4°C | 63 mm | 270 |
| August | 21.2°C | 9.3°C | 15.3°C | 67 mm | 250 |
| September | 16.8°C | 6.0°C | 11.4°C | 64 mm | 179 |
| October | 12.8°C | 3.0°C | 7.9°C | 73 mm | 139 |
| November | 7.2°C | −1.3°C | 2.9°C | 82 mm | 112 |
| December | 4.2°C | −4.2°C | 0.0°C | 79 mm | 109 |
| Year | 12.2°C | 1.8°C | 7.0°C | 794 mm | 2,135 |
Where Saint-Jean-d'Arves’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Valloire Forest, 13 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, Villar-Saint-Pancrace, 46 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 Savoie.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Jean-d'Arves’s climate
How warm does Saint-Jean-d'Arves get in summer?
July is the warmest month, with average highs of 21.6°C. About 19 days a year reach 25°C, fewer than 96% of mainland French towns, and about 1 reach 30°C.
How cold does Saint-Jean-d'Arves get in winter?
February nights average −5.3°C. The air drops to 0°C or below on about 142 nights a year, and about 25 days a year stay below freezing all day.
How much rain does Saint-Jean-d'Arves get?
About 794 mm a year, more than 59% of mainland French towns. November is the wettest month (82 mm) and April the driest (52 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Villar-Saint-Pancrace (46 km away), averages 2,135 hours of sunshine a year.
Are these figures for Saint-Jean-d'Arves itself?
No: they are the normals of the Météo-France station matched to Saint-Jean-d'Arves, Valloire Forest, 13 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 VALLOIRE FOREST, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Jean-d'Arves →
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.