Venon sits near the bottom of mainland French towns for winter warmth
July afternoons average 27.4°C. It is the driest of its 6 nearest neighbors. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 29°C apart. Frost greets about 78 mornings a year, so leave time to clear the car.
Figures from Météo-France’s Saint-Jean-de-Maurienne station, 45 km east: at that distance, read them as the area’s climate rather than the town’s.
A year in Venon at a glance
Each month’s typical high and low in °C, at the Saint-Jean-de-Maurienne station.
What a year in Venon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Jean-de-Maurienne.
About 911 mm of rain a year
December is the wettest month and April the driest. About 33 days a year bring 10 mm or more. 78th 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: 78 frosts and 78 days of 25°C a year
On about 78 nights a year the air drops to 0°C or below, and on about 6 days it stays below freezing all day. About 78 days a year reach 25°C, and 25 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Jean-de-Maurienne: 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-Jean-de-Maurienne
Saint-Jean-de-Maurienne is 45 km east of Venon. Every figure on this page is the station’s, not a measurement in Venon itself. At that distance, read them as the area’s climate.
| Station (Météo-France number) | Saint-Jean-de-Maurienne (73248002) |
| Distance from the town | 45 km east |
| Station altitude | 550 m |
| Town altitude (its center) | 553 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6 km |
| Sunshine measured at | Grenoble-Saint-Geoirs, 44 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 Venon 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 |
|---|---|---|---|---|
| Venon | Saint-Jean-de-Maurienne | 27.4°C | −1.9°C | 911 mm |
| Gières 1.7 km | Chatte | 28.3°C 0.9°C warmer | −0.5°C 1.4°C milder | 968 mm |
| Saint-Martin-d'Hères 3.6 km | Chatte | 28.3°C 0.9°C warmer | −0.5°C 1.4°C milder | 968 mm |
| Saint-Martin-d'Uriage 3.7 km | Monestier | 25.0°C 2.4°C cooler | −2.1°C about the same | 1,063 mm |
| Domène 4.1 km | Pont-de-Beauvoisin | 28.5°C 1.1°C warmer | −1.2°C 0.7°C milder | 1,166 mm |
| Meylan 4.9 km | Pont-de-Beauvoisin | 28.5°C 1.1°C warmer | −1.2°C 0.7°C milder | 1,166 mm |
| Eybens 5 km | Chatte | 28.3°C 0.9°C warmer | −0.5°C 1.4°C milder | 968 mm |
Venon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Jean-de-Maurienne station; sunshine at Grenoble-Saint-Geoirs.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.9°C | −1.9°C | 2.0°C | 91 mm | 91 |
| February | 8.2°C | −1.1°C | 3.6°C | 66 mm | 112 |
| March | 13.8°C | 2.5°C | 8.2°C | 70 mm | 173 |
| April | 17.7°C | 5.7°C | 11.7°C | 61 mm | 190 |
| May | 21.4°C | 9.5°C | 15.4°C | 81 mm | 221 |
| June | 25.0°C | 12.9°C | 19.0°C | 70 mm | 258 |
| July | 27.4°C | 14.8°C | 21.1°C | 68 mm | 292 |
| August | 27.0°C | 14.5°C | 20.7°C | 75 mm | 263 |
| September | 22.1°C | 10.9°C | 16.5°C | 63 mm | 199 |
| October | 16.9°C | 7.0°C | 11.9°C | 77 mm | 140 |
| November | 10.4°C | 2.2°C | 6.3°C | 88 mm | 91 |
| December | 6.1°C | −1.1°C | 2.5°C | 102 mm | 78 |
| Year | 16.8°C | 6.3°C | 11.6°C | 911 mm | 2,108 |
Where Venon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Jean-de-Maurienne, 45 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, 44 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 Venon’s climate
How warm does Venon get in summer?
July is the warmest month, with average highs of 27.4°C. About 78 days a year reach 25°C, more than 70% of mainland French towns, and about 25 reach 30°C.
How cold does Venon get in winter?
January nights average −1.9°C. The air drops to 0°C or below on about 78 nights a year, and about 6 days a year stay below freezing all day.
How much rain does Venon get?
About 911 mm a year, more than 79% of mainland French towns. December is the wettest month (102 mm) and April the driest (61 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Grenoble-Saint-Geoirs (44 km away), averages 2,108 hours of sunshine a year.
Are these figures for Venon itself?
No: they are the normals of the Météo-France station matched to Venon, Saint-Jean-de-Maurienne, 45 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-JEAN DE MAURIENNE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Venon →
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.