Caloire is among the frostiest of mainland French towns
July afternoons average 28.0°C. About 88 days a year reach 25°C, more than in 78% of mainland French towns. The rainiest month is May; the driest is February. Plan for rain on about 101 days a year, the days with 1 mm or more.
These are the figures of Météo-France’s Bas-en-Basset station, 14 km south-west.
A year in Caloire at a glance
Each month’s typical high and low in °C, at the Bas-en-Basset station.
What a year in Caloire feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Bas-en-Basset.
About 754 mm of rain a year
May is the wettest month and February the driest. About 22 days a year bring 10 mm or more. 19th 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: 95 frosts and 88 days of 25°C a year
On about 95 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 88 days a year reach 25°C, and 35 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Bas-en-Basset: 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 Bas-en-Basset
Bas-en-Basset is 14 km south-west of Caloire. Every figure on this page is the station’s, not a measurement in Caloire itself.
| Station (Météo-France number) | Bas-en-Basset (43020002) |
| Distance from the town | 14 km south-west |
| Station altitude | 446 m |
| Town altitude (its center) | 520 m |
| Period | 1991–2020 |
| Nearest station of any kind | 10 km |
| Sunshine measured at | Saint-Étienne-Bouthéon, 15 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 Caloire 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 |
|---|---|---|---|---|
| Caloire | Bas-en-Basset | 28.0°C | −1.7°C | 754 mm |
| Unieux 2.8 km | same station | 28.0°C about the same | −1.7°C about the same | 754 mm |
| Fraisses 3.9 km | same station | 28.0°C about the same | −1.7°C about the same | 754 mm |
| Firminy 4.9 km | same station | 28.0°C about the same | −1.7°C about the same | 754 mm |
| Aurec-sur-Loire 5.9 km | same station | 28.0°C about the same | −1.7°C about the same | 754 mm |
| Roche-la-Molière 6.3 km | Saint-Étienne-Bouthéon | 26.9°C 1.1°C cooler | 0.3°C 2°C milder | 728 mm |
| Le Chambon-Feugerolles 7.2 km | same station | 28.0°C about the same | −1.7°C about the same | 754 mm |
Caloire weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Bas-en-Basset station; sunshine at Saint-Étienne-Bouthéon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.7°C | −1.7°C | 3.0°C | 43 mm | 81 |
| February | 9.8°C | −1.8°C | 4.0°C | 32 mm | 109 |
| March | 14.1°C | 0.3°C | 7.2°C | 37 mm | 162 |
| April | 17.1°C | 2.7°C | 9.9°C | 60 mm | 186 |
| May | 21.3°C | 6.8°C | 14.0°C | 83 mm | 214 |
| June | 25.6°C | 10.3°C | 18.0°C | 77 mm | 241 |
| July | 28.0°C | 11.6°C | 19.8°C | 76 mm | 275 |
| August | 28.2°C | 11.4°C | 19.8°C | 71 mm | 259 |
| September | 23.1°C | 8.3°C | 15.7°C | 75 mm | 193 |
| October | 18.1°C | 6.1°C | 12.1°C | 80 mm | 135 |
| November | 11.7°C | 2.1°C | 6.9°C | 76 mm | 88 |
| December | 8.2°C | −0.6°C | 3.8°C | 44 mm | 76 |
| Year | 17.7°C | 4.6°C | 11.2°C | 754 mm | 2,018 |
Where Caloire’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Bas-en-Basset, 14 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, 15 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 Caloire’s climate
How warm does Caloire get in summer?
August is the warmest month, with average highs of 28.2°C. About 88 days a year reach 25°C, more than 78% of mainland French towns, and about 35 reach 30°C.
How cold does Caloire get in winter?
February nights average −1.8°C. The air drops to 0°C or below on about 95 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Caloire get?
About 754 mm a year, less than 50% of mainland French towns. May is the wettest month (83 mm) and February the driest (32 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Étienne-Bouthéon (15 km away), averages 2,018 hours of sunshine a year.
Are these figures for Caloire itself?
No: they are the normals of the Météo-France station matched to Caloire, Bas-en-Basset, 14 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 BAS-EN-BASSET, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Caloire →
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.