Corenc has colder winter nights than 92% of mainland French towns
Peak summer warmth arrives in July, with afternoons near 27.1°C. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 28°C apart. None of its 6 nearest neighbors gets less rain. Windscreens need scraping on about 66 mornings a year, the nights the air drops below 0°C.
These are the figures of Météo-France’s Grenoble-Saint-Geoirs station, 39 km north-west; at that distance they describe the area more than the town.
A year in Corenc at a glance
Each month’s typical high and low in °C, at the Grenoble-Saint-Geoirs station.
What a year in Corenc feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Grenoble-Saint-Geoirs.
About 915 mm of rain a year
October is the wettest month and February the driest. About 29 days a year bring 10 mm or more. 67th wettest of 110 towns of 2,500+ in Isère.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Grenoble-Saint-Geoirs
A frosty town: 66 frosts and 70 days of 25°C a year
On about 66 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 70 days a year reach 25°C, and 21 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Grenoble-Saint-Geoirs: 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 Grenoble-Saint-Geoirs
Grenoble-Saint-Geoirs is 39 km north-west of Corenc. Every figure on this page is the station’s, not a measurement in Corenc itself.
| Station (Météo-France number) | Grenoble-Saint-Geoirs (38384001) |
| Distance from the town | 39 km north-west |
| Station altitude | 376 m |
| Town altitude (its center) | 376 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6.8 km |
| Sunshine measured at | the same station |
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 Corenc 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, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Corenc | Grenoble-Saint-Geoirs | 27.1°C | −0.7°C | 915 mm |
| Meylan 1.4 km | Pont-de-Beauvoisin | 28.5°C 1.4°C warmer | −1.2°C 0.5°C colder | 1,166 mm |
| La Tronche 1.7 km | Chatte | 28.3°C 1.2°C warmer | −0.5°C about the same | 968 mm |
| Montbonnot-Saint-Martin 3.9 km | Pont-de-Beauvoisin | 28.5°C 1.4°C warmer | −1.2°C 0.5°C colder | 1,166 mm |
| Gières 4.3 km | Chatte | 28.3°C 1.2°C warmer | −0.5°C about the same | 968 mm |
| Saint-Martin-d'Hères 4.4 km | Chatte | 28.3°C 1.2°C warmer | −0.5°C about the same | 968 mm |
| Saint-Martin-le-Vinoux 4.6 km | Chatte | 28.3°C 1.2°C warmer | −0.5°C about the same | 968 mm |
Corenc weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Grenoble-Saint-Geoirs station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.3°C | −0.7°C | 2.8°C | 63 mm | 91 |
| February | 8.0°C | −0.5°C | 3.8°C | 49 mm | 112 |
| March | 12.6°C | 2.1°C | 7.4°C | 63 mm | 173 |
| April | 16.2°C | 4.7°C | 10.4°C | 76 mm | 190 |
| May | 20.2°C | 8.9°C | 14.5°C | 91 mm | 221 |
| June | 24.4°C | 12.4°C | 18.4°C | 73 mm | 258 |
| July | 27.1°C | 14.1°C | 20.6°C | 67 mm | 292 |
| August | 26.9°C | 14.2°C | 20.5°C | 66 mm | 263 |
| September | 22.0°C | 10.8°C | 16.4°C | 99 mm | 199 |
| October | 17.0°C | 7.7°C | 12.3°C | 107 mm | 140 |
| November | 10.7°C | 3.2°C | 6.9°C | 99 mm | 91 |
| December | 6.9°C | 0.1°C | 3.5°C | 64 mm | 78 |
| Year | 16.5°C | 6.4°C | 11.5°C | 915 mm | 2,108 |
Where Corenc’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Grenoble-Saint-Geoirs, 39 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, Grenoble-Saint-Geoirs, 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 Isère.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Corenc’s climate
How warm does Corenc get in summer?
July is the warmest month, with average highs of 27.1°C. About 70 days a year reach 25°C, more than 64% of mainland French towns, and about 21 reach 30°C.
How cold does Corenc get in winter?
January nights average −0.7°C. The air drops to 0°C or below on about 66 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Corenc get?
About 915 mm a year, more than 79% of mainland French towns. October is the wettest month (107 mm) and February the driest (49 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Grenoble-Saint-Geoirs (39 km away), averages 2,108 hours of sunshine a year.
Are these figures for Corenc itself?
No: they are the normals of the Météo-France station matched to Corenc, Grenoble-Saint-Geoirs, 39 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 GRENOBLE-ST GEOIRS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Corenc →
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.