Saint-Martin-d'Arc has some of the coldest winter nights among mainland French towns
High summer brings afternoon highs near 27.4°C. By July afternoons alone, it runs hotter than 71% of mainland French towns. The seasons are far apart: from a winter night to a summer afternoon the average spans 30°C. Plan for rain on about 100 days a year, the days with 1 mm or more.
Figures from Météo-France’s Saint-Michel Maur station, 0.7 km north.
A year in Saint-Martin-d'Arc at a glance
Each month’s typical high and low in °C, at the Saint-Michel Maur station.
What a year in Saint-Martin-d'Arc feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Michel Maur.
About 754 mm of rain a year
December is the wettest month and February the driest. About 25 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: 90 frosts and 76 days of 25°C a year
On about 90 nights a year the air drops to 0°C or below, and on about 8 days it stays below freezing all day. About 76 days a year reach 25°C, and 25 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Michel Maur: 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 Saint-Michel Maur
Saint-Michel Maur is 0.7 km north of Saint-Martin-d'Arc. Every figure on this page is the station’s, not a measurement in Saint-Martin-d'Arc itself.
| Station (Météo-France number) | Saint-Michel Maur (73261003) |
| Distance from the town | 0.7 km north |
| Station altitude | 698 m |
| Town altitude (its center) | 774 m |
| Period | 1997–2020 (the station’s own record) |
| Sunshine measured at | Villar-Saint-Pancrace, 39 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-Martin-d'Arc 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-Martin-d'Arc | Saint-Michel Maur | 27.4°C | −2.8°C | 754 mm |
| Saint-Jean-de-Maurienne 12 km | Saint-Jean-de-Maurienne | 27.4°C about the same | −1.9°C 0.9°C milder | 911 mm |
| Modane 16 km | Avrieux | 24.5°C 2.9°C cooler | −4.7°C 1.9°C colder | 600 mm |
| Les Belleville 19 km | Saint-Martin de Belleville | 21.1°C 6.3°C cooler | −5.9°C 3.1°C colder | 926 mm |
Saint-Martin-d'Arc weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Michel Maur station; sunshine at Villar-Saint-Pancrace.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.5°C | −2.8°C | 1.3°C | 74 mm | 126 |
| February | 7.9°C | −2.1°C | 2.9°C | 49 mm | 131 |
| March | 13.3°C | 1.5°C | 7.4°C | 60 mm | 165 |
| April | 17.3°C | 5.1°C | 11.2°C | 50 mm | 193 |
| May | 21.0°C | 8.6°C | 14.8°C | 71 mm | 217 |
| June | 25.2°C | 11.7°C | 18.4°C | 54 mm | 245 |
| July | 27.4°C | 13.3°C | 20.3°C | 60 mm | 270 |
| August | 26.6°C | 12.9°C | 19.8°C | 67 mm | 250 |
| September | 22.4°C | 9.8°C | 16.1°C | 54 mm | 179 |
| October | 17.5°C | 6.1°C | 11.8°C | 65 mm | 139 |
| November | 10.4°C | 1.5°C | 5.9°C | 75 mm | 112 |
| December | 5.9°C | −1.9°C | 2.0°C | 76 mm | 109 |
| Year | 16.7°C | 5.3°C | 11.0°C | 754 mm | 2,135 |
Where Saint-Martin-d'Arc’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Michel Maur, 0.7 km away: statistics for 1991–2020 (the station’s own years, 1997–2020, where its record is shorter).
- 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, 39 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-Martin-d'Arc’s climate
How warm does Saint-Martin-d'Arc get in summer?
July is the warmest month, with average highs of 27.4°C. About 76 days a year reach 25°C, more than 68% of mainland French towns, and about 25 reach 30°C.
How cold does Saint-Martin-d'Arc get in winter?
January nights average −2.8°C. The air drops to 0°C or below on about 90 nights a year, and about 8 days a year stay below freezing all day.
How much rain does Saint-Martin-d'Arc get?
About 754 mm a year, less than 50% of mainland French towns. December is the wettest month (76 mm) and February the driest (49 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Villar-Saint-Pancrace (39 km away), averages 2,135 hours of sunshine a year.
Are these figures for Saint-Martin-d'Arc itself?
No: they are the normals of the Météo-France station matched to Saint-Martin-d'Arc, Saint-Michel Maur, 0.7 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 ST MICHEL MAUR_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Martin-d'Arc →
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.