Photo: Eymery · CC BY-SA 4.0Hardly any mainland French towns see harsher January nights than Crêts en Belledonne
Sunny July days climb to about 28.4°C. Wet weather is most frequent in December and least in April. In July, afternoons here are warmer than in 85% of mainland French towns. Radiators earn their keep from November to March, the months that average under 10°C.
These are the figures of Météo-France’s Sainte-Marie Cuines station, 21 km east.
A year in Crêts en Belledonne at a glance
Each month’s typical high and low in °C, at the Sainte-Marie Cuines station.
What a year in Crêts en Belledonne feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Sainte-Marie Cuines.
About 856 mm of rain a year
December is the wettest month and April the driest. About 30 days a year bring 10 mm or more. 97th wettest of 110 towns of 2,500+ in Isère.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Chambery-Aix
A frosty town: 81 frosts and 88 days of 25°C a year
On about 81 nights a year the air drops to 0°C or below, and on about 4 days it stays below freezing all day. About 88 days a year reach 25°C, and 32 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Sainte-Marie Cuines: 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 Sainte-Marie Cuines
Sainte-Marie Cuines is 21 km east of Crêts en Belledonne. Every figure on this page is the station’s, not a measurement in Crêts en Belledonne itself.
| Station (Météo-France number) | Sainte-Marie Cuines (73255003) |
| Distance from the town | 21 km east |
| Station altitude | 460 m |
| Town altitude (its center) | 502 m |
| Period | 1997–2020 (the station’s own record) |
| Nearest station of any kind | 12 km |
| Sunshine measured at | Chambery-Aix, 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 Crêts en Belledonne 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 Isère.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km. Where a neighbor uses the same station its figures are the same: the differences you’d feel over a few kilometers aren’t in the normals.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Crêts en Belledonne | Sainte-Marie Cuines | 28.4°C | −2.2°C | 856 mm |
| Allevard 3.8 km | same station | 28.4°C about the same | −2.2°C about the same | 856 mm |
| Pontcharra 7.1 km | Saint-Pierre-de-Soucy | 27.7°C 0.7°C cooler | −1.8°C about the same | 1,122 mm |
| Le Touvet 7.2 km | Challes-les-Eaux | 28.1°C about the same | −1.8°C about the same | 1,148 mm |
| Valgelon-La Rochette 12 km | Saint-Pierre-de-Soucy | 27.7°C 0.7°C cooler | −1.8°C about the same | 1,122 mm |
| Chapareillan 12 km | Challes-les-Eaux | 28.1°C about the same | −1.8°C about the same | 1,148 mm |
| Porte-de-Savoie 15 km | Challes-les-Eaux | 28.1°C about the same | −1.8°C about the same | 1,148 mm |
Crêts en Belledonne weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Sainte-Marie Cuines station; sunshine at Chambery-Aix.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.4°C | −2.2°C | 2.1°C | 90 mm | 77 |
| February | 8.8°C | −1.3°C | 3.8°C | 63 mm | 102 |
| March | 14.1°C | 2.2°C | 8.2°C | 74 mm | 158 |
| April | 18.4°C | 5.9°C | 12.1°C | 55 mm | 176 |
| May | 21.9°C | 9.5°C | 15.7°C | 71 mm | 202 |
| June | 26.2°C | 13.0°C | 19.6°C | 61 mm | 236 |
| July | 28.4°C | 14.6°C | 21.5°C | 68 mm | 262 |
| August | 27.4°C | 14.4°C | 20.9°C | 80 mm | 237 |
| September | 23.1°C | 10.9°C | 17.0°C | 58 mm | 181 |
| October | 17.8°C | 6.9°C | 12.4°C | 71 mm | 124 |
| November | 11.1°C | 1.9°C | 6.5°C | 75 mm | 75 |
| December | 6.6°C | −1.5°C | 2.5°C | 91 mm | 66 |
| Year | 17.5°C | 6.2°C | 11.9°C | 856 mm | 1,895 |
Where Crêts en Belledonne’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Sainte-Marie Cuines, 21 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, Chambery-Aix, 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 Isère.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Crêts en Belledonne’s climate
How warm does Crêts en Belledonne get in summer?
July is the warmest month, with average highs of 28.4°C. About 88 days a year reach 25°C, more than 79% of mainland French towns, and about 32 reach 30°C.
How cold does Crêts en Belledonne get in winter?
January nights average −2.2°C. The air drops to 0°C or below on about 81 nights a year, and about 4 days a year stay below freezing all day.
How much rain does Crêts en Belledonne get?
About 856 mm a year, more than 71% of mainland French towns. December is the wettest month (91 mm) and April the driest (55 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Chambery-Aix (33 km away), averages 1,895 hours of sunshine a year.
Are these figures for Crêts en Belledonne itself?
No: they are the normals of the Météo-France station matched to Crêts en Belledonne, Sainte-Marie Cuines, 21 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 STE MARIE CUINES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Crêts en Belledonne →
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.