Nights turn raw in Saint-Léons each January, colder than in 80% of mainland French towns
On a normal July day the thermometer tops out near 25.7°C. It is a dry place: less rain falls here than on 64% of mainland French towns. The rainiest month is May; the driest is February. Windscreens need scraping on about 48 mornings a year, the nights the air drops below 0°C.
Figures from Météo-France’s Millau station, 11 km south.
A year in Saint-Léons at a glance
Each month’s typical high and low in °C, at the Millau station.
What a year in Saint-Léons feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Millau.
About 713 mm of rain a year
May is the wettest month and February the driest. About 22 days a year bring 10 mm or more. 15th wettest of 16 towns of 2,500+ in Aveyron.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Millau
48 frosts and 55 days of 25°C a year
On about 48 nights a year the air drops to 0°C or below, and on about 6 days it stays below freezing all day. About 55 days a year reach 25°C, and 14 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Millau: 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 Millau
Millau is 11 km south of Saint-Léons. Every figure on this page is the station’s, not a measurement in Saint-Léons itself.
| Station (Météo-France number) | Millau (12145001) |
| Distance from the town | 11 km south |
| Station altitude | 712 m |
| Town altitude (its center) | 839 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
Saint-Léons sits 127 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Saint-Léons to run about 0.8°C cooler than these figures.
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-Léons 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 Aveyron.
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-Léons | Millau | 25.7°C | 0.5°C | 713 mm |
| Sévérac d'Aveyron 13 km | same station | 25.7°C about the same | 0.5°C about the same | 713 mm |
| Millau 15 km | same station | 25.7°C about the same | 0.5°C about the same | 713 mm |
Saint-Léons weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Millau station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.3°C | 0.5°C | 3.4°C | 55 mm | 98 |
| February | 7.7°C | 0.4°C | 4.0°C | 39 mm | 129 |
| March | 11.5°C | 3.0°C | 7.2°C | 42 mm | 173 |
| April | 14.3°C | 5.2°C | 9.7°C | 69 mm | 187 |
| May | 18.2°C | 8.8°C | 13.5°C | 75 mm | 224 |
| June | 22.7°C | 12.3°C | 17.5°C | 57 mm | 267 |
| July | 25.7°C | 14.5°C | 20.1°C | 43 mm | 301 |
| August | 25.8°C | 14.5°C | 20.1°C | 57 mm | 270 |
| September | 20.9°C | 11.2°C | 16.0°C | 74 mm | 212 |
| October | 15.8°C | 8.4°C | 12.1°C | 74 mm | 140 |
| November | 10.1°C | 4.0°C | 7.0°C | 72 mm | 98 |
| December | 7.2°C | 1.5°C | 4.3°C | 56 mm | 98 |
| Year | 15.5°C | 7.0°C | 11.2°C | 713 mm | 2,197 |
Where Saint-Léons’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Millau, 11 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, Millau, 11 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 Aveyron.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Léons’s climate
How warm does Saint-Léons get in summer?
August is the warmest month, with average highs of 25.8°C. About 55 days a year reach 25°C, fewer than 61% of mainland French towns, and about 14 reach 30°C.
How cold does Saint-Léons get in winter?
February nights average 0.4°C. The air drops to 0°C or below on about 48 nights a year, and about 6 days a year stay below freezing all day.
How much rain does Saint-Léons get?
About 713 mm a year, less than 64% of mainland French towns. May is the wettest month (75 mm) and February the driest (39 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Millau (11 km away), averages 2,197 hours of sunshine a year.
Are these figures for Saint-Léons itself?
No: they are the normals of the Météo-France station matched to Saint-Léons, Millau, 11 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 MILLAU, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Léons →
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.