Warm afternoons come to Saint-Sernin-lès-Lavaur more often than to 90% of mainland French towns
January mornings start at about 3.2°C. Seasons differ by 26°C, from the coldest nights to the warmest afternoons. By frosts alone, it ranks gentler than 84% of mainland French towns. Expect about 25 frosty starts a year, nights when the air falls below freezing.
These are the figures of Météo-France’s Puylaurens station, 3.8 km north-east.
A year in Saint-Sernin-lès-Lavaur at a glance
Each month’s typical high and low in °C, at the Puylaurens station.
What a year in Saint-Sernin-lès-Lavaur feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Puylaurens.
About 782 mm of rain a year
May is the wettest month and August the driest. About 23 days a year bring 10 mm or more. 10th wettest of 27 towns of 2,500+ in Tarn.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Albi
25 frosts and 107 days of 25°C a year
On about 25 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 107 days a year reach 25°C, and 50 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Puylaurens: 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 Puylaurens
Puylaurens is 3.8 km north-east of Saint-Sernin-lès-Lavaur. Every figure on this page is the station’s, not a measurement in Saint-Sernin-lès-Lavaur itself.
| Station (Météo-France number) | Puylaurens (81219001) |
| Distance from the town | 3.8 km north-east |
| Station altitude | 312 m |
| Town altitude (its center) | 211 m |
| Period | 1993–2020 (the station’s own record) |
| Sunshine measured at | Albi, 42 km away |
Saint-Sernin-lès-Lavaur sits 101 m lower than the station. Air usually warms by about 0.65°C every 100 m you go down, so expect Saint-Sernin-lès-Lavaur to run about 0.7°C warmer 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-Sernin-lès-Lavaur 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 Tarn.
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-Sernin-lès-Lavaur | Puylaurens | 29.2°C | 3.2°C | 782 mm |
| Puylaurens 4.4 km | same station | 29.2°C about the same | 3.2°C about the same | 782 mm |
| Revel 9.9 km | Dourgne | 28.3°C 0.9°C cooler | 2.5°C 0.7°C colder | 896 mm |
| Soual 12 km | Dourgne | 28.3°C 0.9°C cooler | 2.5°C 0.7°C colder | 896 mm |
| Sorèze 13 km | Dourgne | 28.3°C 0.9°C cooler | 2.5°C 0.7°C colder | 896 mm |
| Saïx 16 km | Dourgne | 28.3°C 0.9°C cooler | 2.5°C 0.7°C colder | 896 mm |
| Caraman 18 km | Ségreville | 28.2°C 1°C cooler | 1.8°C 1.4°C colder | 748 mm |
Saint-Sernin-lès-Lavaur weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Puylaurens station; sunshine at Albi.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.7°C | 3.2°C | 6.4°C | 72 mm | 91 |
| February | 11.3°C | 3.3°C | 7.3°C | 54 mm | 120 |
| March | 15.3°C | 5.5°C | 10.4°C | 63 mm | 175 |
| April | 18.3°C | 7.8°C | 13.1°C | 88 mm | 188 |
| May | 22.2°C | 11.3°C | 16.8°C | 89 mm | 219 |
| June | 26.6°C | 14.8°C | 20.7°C | 61 mm | 247 |
| July | 29.2°C | 16.7°C | 22.9°C | 45 mm | 276 |
| August | 29.4°C | 16.7°C | 23.1°C | 45 mm | 263 |
| September | 25.3°C | 13.8°C | 19.5°C | 60 mm | 216 |
| October | 20.4°C | 11.1°C | 15.8°C | 61 mm | 156 |
| November | 13.5°C | 6.5°C | 10.0°C | 74 mm | 96 |
| December | 10.3°C | 4.0°C | 7.1°C | 70 mm | 88 |
| Year | 19.3°C | 9.6°C | 14.4°C | 782 mm | 2,134 |
Where Saint-Sernin-lès-Lavaur’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Puylaurens, 3.8 km away: statistics for 1991–2020 (the station’s own years, 1993–2020, where its record is shorter).
- 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, Albi, 42 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 Tarn.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Sernin-lès-Lavaur’s climate
How warm does Saint-Sernin-lès-Lavaur get in summer?
August is the warmest month, with average highs of 29.4°C. About 107 days a year reach 25°C, more than 90% of mainland French towns, and about 50 reach 30°C.
How cold does Saint-Sernin-lès-Lavaur get in winter?
January nights average 3.2°C. The air drops to 0°C or below on about 25 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Saint-Sernin-lès-Lavaur get?
About 782 mm a year, more than 56% of mainland French towns. May is the wettest month (89 mm) and August the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Albi (42 km away), averages 2,134 hours of sunshine a year.
Are these figures for Saint-Sernin-lès-Lavaur itself?
No: they are the normals of the Météo-France station matched to Saint-Sernin-lès-Lavaur, Puylaurens, 3.8 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 PUYLAURENS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Sernin-lès-Lavaur →
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.