Wet weather: 937 mm a year falls on Blousson-Sérian, more than on 82% of mainland French towns
On a normal January night the air cools to about 0.8°C. Of all months, April brings the most rain and August the least. Its January nights bite harder than in 77% of mainland French towns. The outdoor season runs from May to October, with highs of 20–27°C.
Figures from Météo-France’s Vic-en-Bigorre station, 15 km south-west.
A year in Blousson-Sérian at a glance
Each month’s typical high and low in °C, at the Vic-en-Bigorre station.
What a year in Blousson-Sérian feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Vic-en-Bigorre.
About 937 mm of rain a year
April is the wettest month and August the driest. About 31 days a year bring 10 mm or more. The wettest of 11 towns of 2,500+ in Gers.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Tarbes-Lourdes-Pyrenees
A frosty town: 50 frosts and 81 days of 25°C a year
On about 50 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 81 days a year reach 25°C, and 24 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Vic-en-Bigorre: 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 Vic-en-Bigorre
Vic-en-Bigorre is 15 km south-west of Blousson-Sérian. Every figure on this page is the station’s, not a measurement in Blousson-Sérian itself.
| Station (Météo-France number) | Vic-en-Bigorre (65460002) |
| Distance from the town | 15 km south-west |
| Station altitude | 219 m |
| Town altitude (its center) | 230 m |
| Period | 1991–2020 |
| Nearest station of any kind | 12 km |
| Sunshine measured at | Tarbes-Lourdes-Pyrenees, 34 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 Blousson-Sérian 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 Gers.
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 |
|---|---|---|---|---|
| Blousson-Sérian | Vic-en-Bigorre | 26.6°C | 0.8°C | 937 mm |
| Vic-en-Bigorre 14 km | same station | 26.6°C about the same | 0.8°C about the same | 937 mm |
| Mirande 18 km | Mirande | 27.8°C 1.2°C warmer | 1.9°C 1.1°C milder | 819 mm |
| Aureilhan 25 km | Castelvieilh | 25.8°C 0.8°C cooler | 3.3°C 2.5°C milder | 956 mm |
| Bordères-sur-l'Échez 25 km | Tarbes-Lourdes-Pyrenees | 25.2°C 1.4°C cooler | 1.1°C about the same | 1,081 mm |
| Séméac 27 km | Castelvieilh | 25.8°C 0.8°C cooler | 3.3°C 2.5°C milder | 956 mm |
| Tarbes 27 km | Tarbes-Lourdes-Pyrenees | 25.2°C 1.4°C cooler | 1.1°C about the same | 1,081 mm |
Blousson-Sérian weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Vic-en-Bigorre station; sunshine at Tarbes-Lourdes-Pyrenees.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.7°C | 0.8°C | 5.7°C | 87 mm | 114 |
| February | 12.0°C | 1.1°C | 6.5°C | 70 mm | 129 |
| March | 15.3°C | 3.7°C | 9.5°C | 74 mm | 169 |
| April | 17.6°C | 6.4°C | 12.0°C | 100 mm | 170 |
| May | 21.2°C | 10.2°C | 15.7°C | 96 mm | 189 |
| June | 24.7°C | 13.5°C | 19.1°C | 74 mm | 196 |
| July | 26.6°C | 15.0°C | 20.8°C | 65 mm | 207 |
| August | 27.0°C | 14.8°C | 20.9°C | 58 mm | 208 |
| September | 24.2°C | 11.4°C | 17.8°C | 65 mm | 195 |
| October | 20.1°C | 8.0°C | 14.0°C | 71 mm | 156 |
| November | 14.2°C | 3.9°C | 9.0°C | 99 mm | 118 |
| December | 11.4°C | 1.4°C | 6.4°C | 80 mm | 112 |
| Year | 18.8°C | 7.5°C | 13.1°C | 937 mm | 1,964 |
Where Blousson-Sérian’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Vic-en-Bigorre, 15 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, Tarbes-Lourdes-Pyrenees, 34 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 Gers.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Blousson-Sérian’s climate
How warm does Blousson-Sérian get in summer?
August is the warmest month, with average highs of 27.0°C. About 81 days a year reach 25°C, more than 72% of mainland French towns, and about 24 reach 30°C.
How cold does Blousson-Sérian get in winter?
January nights average 0.8°C. The air drops to 0°C or below on about 50 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Blousson-Sérian get?
About 937 mm a year, more than 82% of mainland French towns. April is the wettest month (100 mm) and August the driest (58 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Tarbes-Lourdes-Pyrenees (34 km away), averages 1,964 hours of sunshine a year.
Are these figures for Blousson-Sérian itself?
No: they are the normals of the Météo-France station matched to Blousson-Sérian, Vic-en-Bigorre, 15 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 VIC EN BIGORRE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Blousson-Sérian →
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.