Warm afternoons come to Saint-Léon more often than to 83% of mainland French towns
Midwinter brings lows of about 1.8°C. Expect the heaviest rain in May and the lightest in July. Wet days, with 1 mm of rain or more, come about 106 times a year.
Figures from Météo-France’s Ségreville station, 18 km north-east.
A year in Saint-Léon at a glance
Each month’s typical high and low in °C, at the Ségreville station.
What a year in Saint-Léon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Ségreville.
About 748 mm of rain a year
May is the wettest month and July the driest. About 23 days a year bring 10 mm or more. 7th wettest of 96 towns of 2,500+ in Haute-Garonne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Montaut
40 frosts and 92 days of 25°C a year
On about 40 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 92 days a year reach 25°C, and 35 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Ségreville: 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 Ségreville
Ségreville is 18 km north-east of Saint-Léon. Every figure on this page is the station’s, not a measurement in Saint-Léon itself.
| Station (Météo-France number) | Ségreville (31540001) |
| Distance from the town | 18 km north-east |
| Station altitude | 212 m |
| Town altitude (its center) | 246 m |
| Period | 1991–2020 |
| Sunshine measured at | Montaut, 24 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-Léon 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 Haute-Garonne.
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-Léon | Ségreville | 28.2°C | 1.8°C | 748 mm |
| Ayguesvives 4.6 km | same station | 28.2°C about the same | 1.8°C about the same | 748 mm |
| Montgiscard 6.3 km | same station | 28.2°C about the same | 1.8°C about the same | 748 mm |
| Nailloux 6.7 km | same station | 28.2°C about the same | 1.8°C about the same | 748 mm |
| Baziège 7.6 km | same station | 28.2°C about the same | 1.8°C about the same | 748 mm |
| Auterive 9 km | Muret-Lherm | 28.0°C about the same | 2.0°C about the same | 620 mm |
| Venerque 10 km | Muret-Lherm | 28.0°C about the same | 2.0°C about the same | 620 mm |
Saint-Léon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Ségreville station; sunshine at Montaut.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.4°C | 1.8°C | 5.6°C | 69 mm | 100 |
| February | 11.2°C | 1.9°C | 6.5°C | 48 mm | 129 |
| March | 15.0°C | 4.2°C | 9.6°C | 57 mm | 170 |
| April | 17.7°C | 6.3°C | 12.0°C | 76 mm | 195 |
| May | 21.5°C | 9.9°C | 15.7°C | 82 mm | 210 |
| June | 25.5°C | 13.3°C | 19.4°C | 67 mm | 238 |
| July | 28.2°C | 15.1°C | 21.6°C | 47 mm | 260 |
| August | 28.6°C | 15.2°C | 21.9°C | 48 mm | 242 |
| September | 24.6°C | 12.2°C | 18.4°C | 59 mm | 212 |
| October | 19.6°C | 9.6°C | 14.6°C | 61 mm | 171 |
| November | 13.3°C | 5.2°C | 9.3°C | 72 mm | 119 |
| December | 10.2°C | 2.7°C | 6.4°C | 62 mm | 113 |
| Year | 18.7°C | 8.1°C | 13.4°C | 748 mm | 2,158 |
Where Saint-Léon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Ségreville, 18 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, Montaut, 24 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 Haute-Garonne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Léon’s climate
How warm does Saint-Léon get in summer?
August is the warmest month, with average highs of 28.6°C. About 92 days a year reach 25°C, more than 83% of mainland French towns, and about 35 reach 30°C.
How cold does Saint-Léon get in winter?
January nights average 1.8°C. The air drops to 0°C or below on about 40 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Saint-Léon get?
About 748 mm a year, less than 52% of mainland French towns. May is the wettest month (82 mm) and July the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Montaut (24 km away), averages 2,158 hours of sunshine a year.
Are these figures for Saint-Léon itself?
No: they are the normals of the Météo-France station matched to Saint-Léon, Ségreville, 18 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 SEGREVILLE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Léon →
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.