January in Saint-Chamond bites harder than in 82% of mainland French towns
Expect July afternoons of about 26.9°C. Only 27°C separates winter nights from summer afternoons. By July afternoons alone, it runs hotter than 67% of mainland French towns. Picnics, hikes and garden evenings come into their own from May to October, with highs of 17–27°C.
These are the figures of Météo-France’s Saint-Étienne-Bouthéon station, 19 km north-west.
A year in Saint-Chamond at a glance
Each month’s typical high and low in °C, at the Saint-Étienne-Bouthéon station.
What a year in Saint-Chamond feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Étienne-Bouthéon.
About 728 mm of rain a year
May is the wettest month and February the driest. About 21 days a year bring 10 mm or more. 23rd wettest of 53 towns of 2,500+ in Loire.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Étienne-Bouthéon
A frosty town: 60 frosts and 70 days of 25°C a year
On about 60 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 24 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Étienne-Bouthéon: 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-Étienne-Bouthéon
Saint-Étienne-Bouthéon is 19 km north-west of Saint-Chamond. Every figure on this page is the station’s, not a measurement in Saint-Chamond itself.
| Station (Météo-France number) | Saint-Étienne-Bouthéon (42005001) |
| Distance from the town | 19 km north-west |
| Station altitude | 395 m |
| Town altitude (its center) | 390 m |
| Period | 1991–2020 |
| Nearest station of any kind | 2.8 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 Saint-Chamond 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 Loire.
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-Chamond | Saint-Étienne-Bouthéon | 26.9°C | 0.3°C | 728 mm |
| L'Horme 3 km | Mornant | 28.1°C 1.2°C warmer | 0.0°C about the same | 759 mm |
| Saint-Paul-en-Jarez 4.9 km | Mornant | 28.1°C 1.2°C warmer | 0.0°C about the same | 759 mm |
| La Grand-Croix 5.3 km | Mornant | 28.1°C 1.2°C warmer | 0.0°C about the same | 759 mm |
| Saint-Jean-Bonnefonds 5.8 km | Saint-Didier-River | 25.5°C 1.4°C cooler | 0.5°C about the same | 856 mm |
| Sorbiers 5.9 km | Saint-Didier-River | 25.5°C 1.4°C cooler | 0.5°C about the same | 856 mm |
| La Talaudière 6.5 km | same station | 26.9°C about the same | 0.3°C about the same | 728 mm |
Saint-Chamond weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Étienne-Bouthéon station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.3°C | 0.3°C | 3.8°C | 38 mm | 81 |
| February | 8.8°C | 0.2°C | 4.5°C | 30 mm | 109 |
| March | 13.1°C | 2.6°C | 7.8°C | 34 mm | 162 |
| April | 16.3°C | 5.0°C | 10.7°C | 55 mm | 186 |
| May | 20.3°C | 9.0°C | 14.6°C | 82 mm | 214 |
| June | 24.5°C | 12.6°C | 18.5°C | 81 mm | 241 |
| July | 26.9°C | 14.4°C | 20.7°C | 77 mm | 275 |
| August | 26.9°C | 14.2°C | 20.6°C | 73 mm | 259 |
| September | 22.2°C | 10.7°C | 16.4°C | 70 mm | 193 |
| October | 17.3°C | 8.1°C | 12.7°C | 76 mm | 135 |
| November | 11.4°C | 3.7°C | 7.6°C | 73 mm | 88 |
| December | 8.0°C | 1.1°C | 4.6°C | 39 mm | 76 |
| Year | 16.9°C | 6.8°C | 11.9°C | 728 mm | 2,018 |
Where Saint-Chamond’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Étienne-Bouthéon, 19 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, Saint-Étienne-Bouthéon, 19 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 Loire.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Chamond’s climate
How warm does Saint-Chamond get in summer?
July is the warmest month, with average highs of 26.9°C. About 70 days a year reach 25°C, more than 64% of mainland French towns, and about 24 reach 30°C.
How cold does Saint-Chamond get in winter?
February nights average 0.2°C. The air drops to 0°C or below on about 60 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Saint-Chamond get?
About 728 mm a year, less than 61% of mainland French towns. May is the wettest month (82 mm) and February the driest (30 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Étienne-Bouthéon (19 km away), averages 2,018 hours of sunshine a year.
Are these figures for Saint-Chamond itself?
No: they are the normals of the Météo-France station matched to Saint-Chamond, Saint-Étienne-Bouthéon, 19 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 ETIENNE-BOUTHEON, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Chamond →
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.