Saint-Sorlin-de-Vienne has warmer summer afternoons than 81% of mainland French towns
January nights here settle around 1.0°C. The gap between a January night and a July afternoon is 27°C. Winter nights are cold: in January they are colder than in 75% of mainland French towns. If you like long walks, May, June, September and October offer highs of 17–26°C.
Figures from Météo-France’s Saint-Genis-Laval station, 28 km north-west: at that distance, read them as the area’s climate rather than the town’s.
A year in Saint-Sorlin-de-Vienne at a glance
Each month’s typical high and low in °C, at the Saint-Genis-Laval station.
What a year in Saint-Sorlin-de-Vienne feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Genis-Laval.
About 783 mm of rain a year
October is the wettest month and February the driest. About 24 days a year bring 10 mm or more. 110th wettest of 110 towns of 2,500+ in Isère.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lyon-Bron
44 frosts and 84 days of 25°C a year
On about 44 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 84 days a year reach 25°C, and 33 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Genis-Laval: 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-Genis-Laval
Saint-Genis-Laval is 28 km north-west of Saint-Sorlin-de-Vienne. Every figure on this page is the station’s, not a measurement in Saint-Sorlin-de-Vienne itself.
| Station (Météo-France number) | Saint-Genis-Laval (69204002) |
| Distance from the town | 28 km north-west |
| Station altitude | 290 m |
| Town altitude (its center) | 306 m |
| Period | 1991–2020 |
| Nearest station of any kind | 10 km |
| Sunshine measured at | Lyon-Bron, 28 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-Sorlin-de-Vienne 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 |
|---|---|---|---|---|
| Saint-Sorlin-de-Vienne | Saint-Genis-Laval | 28.2°C | 1.0°C | 783 mm |
| Estrablin 4.6 km | Lyon-Bron | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Pont-Évêque 6.7 km | Lyon-Bron | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Vienne 7.6 km | Lyon-Bron | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Ampuis 10 km | Sablons | 30.2°C 2°C warmer | 0.7°C about the same | 805 mm |
| Saint-Clair-du-Rhône 13 km | Sablons | 30.2°C 2°C warmer | 0.7°C about the same | 805 mm |
| Condrieu 14 km | Sablons | 30.2°C 2°C warmer | 0.7°C about the same | 805 mm |
Saint-Sorlin-de-Vienne weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Genis-Laval station; sunshine at Lyon-Bron.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.9°C | 1.0°C | 3.9°C | 48 mm | 71 |
| February | 8.7°C | 1.3°C | 5.0°C | 37 mm | 102 |
| March | 13.7°C | 4.2°C | 9.0°C | 47 mm | 174 |
| April | 17.4°C | 6.9°C | 12.2°C | 68 mm | 198 |
| May | 21.4°C | 10.7°C | 16.0°C | 75 mm | 224 |
| June | 25.7°C | 14.3°C | 20.0°C | 68 mm | 257 |
| July | 28.2°C | 16.3°C | 22.3°C | 65 mm | 288 |
| August | 28.1°C | 16.0°C | 22.0°C | 63 mm | 263 |
| September | 22.9°C | 12.4°C | 17.7°C | 80 mm | 204 |
| October | 17.3°C | 9.2°C | 13.3°C | 95 mm | 131 |
| November | 10.9°C | 4.6°C | 7.8°C | 90 mm | 79 |
| December | 7.3°C | 1.7°C | 4.5°C | 49 mm | 59 |
| Year | 17.4°C | 8.2°C | 12.8°C | 783 mm | 2,050 |
Where Saint-Sorlin-de-Vienne’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Genis-Laval, 28 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, Lyon-Bron, 28 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 Saint-Sorlin-de-Vienne’s climate
How warm does Saint-Sorlin-de-Vienne get in summer?
July is the warmest month, with average highs of 28.2°C. About 84 days a year reach 25°C, more than 75% of mainland French towns, and about 33 reach 30°C.
How cold does Saint-Sorlin-de-Vienne get in winter?
January nights average 1.0°C. The air drops to 0°C or below on about 44 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Saint-Sorlin-de-Vienne get?
About 783 mm a year, more than 56% of mainland French towns. October is the wettest month (95 mm) and February the driest (37 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lyon-Bron (28 km away), averages 2,050 hours of sunshine a year.
Are these figures for Saint-Sorlin-de-Vienne itself?
No: they are the normals of the Météo-France station matched to Saint-Sorlin-de-Vienne, Saint-Genis-Laval, 28 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-GENIS-LAVAL, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Sorlin-de-Vienne →
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.