Warm afternoons come to Saint-Clair-du-Rhône more often than to 93% of mainland French towns
On a normal January night the air cools to about 0.7°C. By January nights alone, it runs colder than 78% of mainland French towns. Only 30°C separates winter nights from summer afternoons. An umbrella earns its place on about 95 days a year with 1 mm of rain or more.
These are the figures of Météo-France’s Sablons station, 12 km south.
A year in Saint-Clair-du-Rhône at a glance
Each month’s typical high and low in °C, at the Sablons station.
What a year in Saint-Clair-du-Rhône feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Sablons.
About 805 mm of rain a year
October is the wettest month and February the driest. About 24 days a year bring 10 mm or more. 104th wettest of 110 towns of 2,500+ in Isère.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lyon-Bron
A frosty town: 57 frosts and 113 days of 25°C a year
On about 57 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 113 days a year reach 25°C, and 52 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Sablons: 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 Sablons
Sablons is 12 km south of Saint-Clair-du-Rhône. Every figure on this page is the station’s, not a measurement in Saint-Clair-du-Rhône itself.
| Station (Météo-France number) | Sablons (38349001) |
| Distance from the town | 12 km south |
| Station altitude | 136 m |
| Town altitude (its center) | 177 m |
| Period | 1991–2020 |
| Nearest station of any kind | 5.2 km |
| Sunshine measured at | Lyon-Bron, 34 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-Clair-du-Rhône 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 |
|---|---|---|---|---|
| Saint-Clair-du-Rhône | Sablons | 30.2°C | 0.7°C | 805 mm |
| Condrieu 3 km | same station | 30.2°C about the same | 0.7°C about the same | 805 mm |
| Chavanay 4.2 km | Saint-Désirat Sa | 28.6°C 1.6°C cooler | 1.5°C 0.8°C milder | 698 mm |
| Saint-Maurice-l'Exil 5.4 km | same station | 30.2°C about the same | 0.7°C about the same | 805 mm |
| Ampuis 6.7 km | same station | 30.2°C about the same | 0.7°C about the same | 805 mm |
| Le Péage-de-Roussillon 7.5 km | same station | 30.2°C about the same | 0.7°C about the same | 805 mm |
| Pélussin 8 km | Annonay | 28.4°C 1.8°C cooler | 0.2°C about the same | 802 mm |
Saint-Clair-du-Rhône weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Sablons station; sunshine at Lyon-Bron.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.4°C | 0.7°C | 4.5°C | 51 mm | 71 |
| February | 10.5°C | 0.7°C | 5.6°C | 38 mm | 102 |
| March | 15.7°C | 3.1°C | 9.4°C | 45 mm | 174 |
| April | 19.2°C | 5.9°C | 12.6°C | 62 mm | 198 |
| May | 23.6°C | 9.9°C | 16.8°C | 74 mm | 224 |
| June | 27.8°C | 13.4°C | 20.6°C | 65 mm | 257 |
| July | 30.2°C | 14.9°C | 22.6°C | 68 mm | 288 |
| August | 29.9°C | 14.5°C | 22.2°C | 63 mm | 263 |
| September | 24.9°C | 11.2°C | 18.0°C | 84 mm | 204 |
| October | 19.3°C | 8.4°C | 13.9°C | 107 mm | 131 |
| November | 12.7°C | 4.2°C | 8.5°C | 99 mm | 79 |
| December | 8.8°C | 1.5°C | 5.1°C | 50 mm | 59 |
| Year | 19.2°C | 7.4°C | 13.3°C | 805 mm | 2,050 |
Where Saint-Clair-du-Rhône’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Sablons, 12 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, 34 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-Clair-du-Rhône’s climate
How warm does Saint-Clair-du-Rhône get in summer?
July is the warmest month, with average highs of 30.2°C. About 113 days a year reach 25°C, more than 93% of mainland French towns, and about 52 reach 30°C.
How cold does Saint-Clair-du-Rhône get in winter?
January nights average 0.7°C. The air drops to 0°C or below on about 57 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Saint-Clair-du-Rhône get?
About 805 mm a year, more than 61% of mainland French towns. October is the wettest month (107 mm) and February the driest (38 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lyon-Bron (34 km away), averages 2,050 hours of sunshine a year.
Are these figures for Saint-Clair-du-Rhône itself?
No: they are the normals of the Météo-France station matched to Saint-Clair-du-Rhône, Sablons, 12 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 SABLONS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Clair-du-Rhône →
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.