Ice rarely forms: Sère-Rustaing sees fewer frosts than 91% of mainland French towns
July afternoons average 25.8°C. Its yearly rainfall tops that of 84% of mainland French towns. From frosty January to warm July, readings climb 23°C. Plan time outside from May to October, when highs sit at 19–26°C.
Figures from Météo-France’s Castelvieilh station, 8.3 km west.
A year in Sère-Rustaing at a glance
Each month’s typical high and low in °C, at the Castelvieilh station.
What a year in Sère-Rustaing feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Castelvieilh.
About 956 mm of rain a year
May is the wettest month and August the driest. About 33 days a year bring 10 mm or more. 12th wettest of 14 towns of 2,500+ in Hautes-Pyrénées.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Campistrous
20 frosts and 68 days of 25°C a year
On about 20 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 68 days a year reach 25°C, and 19 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Castelvieilh: 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 Castelvieilh
Castelvieilh is 8.3 km west of Sère-Rustaing. Every figure on this page is the station’s, not a measurement in Sère-Rustaing itself.
| Station (Météo-France number) | Castelvieilh (65131001) |
| Distance from the town | 8.3 km west |
| Station altitude | 355 m |
| Town altitude (its center) | 391 m |
| Period | 1991–2020 |
| Sunshine measured at | Campistrous, 16 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 Sère-Rustaing 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 Hautes-Pyrénées.
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 |
|---|---|---|---|---|
| Sère-Rustaing | Castelvieilh | 25.8°C | 3.3°C | 956 mm |
| Barbazan-Debat 15 km | Tarbes-Lourdes-Pyrenees | 25.2°C 0.6°C cooler | 1.1°C 2.2°C colder | 1,081 mm |
| Séméac 15 km | same station | 25.8°C about the same | 3.3°C about the same | 956 mm |
| Aureilhan 16 km | same station | 25.8°C about the same | 3.3°C about the same | 956 mm |
| Soues 16 km | Tarbes-Lourdes-Pyrenees | 25.2°C 0.6°C cooler | 1.1°C 2.2°C colder | 1,081 mm |
| Lannemezan 17 km | Campistrous | 23.7°C 2.1°C cooler | 1.1°C 2.2°C colder | 1,140 mm |
| Tarbes 18 km | Tarbes-Lourdes-Pyrenees | 25.2°C 0.6°C cooler | 1.1°C 2.2°C colder | 1,081 mm |
Sère-Rustaing weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Castelvieilh station; sunshine at Campistrous.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.0°C | 3.3°C | 6.6°C | 86 mm | 108 |
| February | 11.3°C | 3.5°C | 7.4°C | 65 mm | 134 |
| March | 14.4°C | 5.3°C | 9.9°C | 71 mm | 164 |
| April | 16.8°C | 7.4°C | 12.1°C | 102 mm | 168 |
| May | 20.3°C | 10.8°C | 15.5°C | 105 mm | 184 |
| June | 23.7°C | 13.9°C | 18.8°C | 80 mm | 202 |
| July | 25.8°C | 15.9°C | 20.9°C | 68 mm | 210 |
| August | 26.1°C | 16.3°C | 21.2°C | 60 mm | 204 |
| September | 23.0°C | 13.5°C | 18.3°C | 64 mm | 192 |
| October | 18.9°C | 10.5°C | 14.7°C | 73 mm | 160 |
| November | 13.2°C | 6.2°C | 9.7°C | 102 mm | 118 |
| December | 10.8°C | 4.1°C | 7.4°C | 81 mm | 117 |
| Year | 17.9°C | 9.2°C | 13.5°C | 956 mm | 1,960 |
Where Sère-Rustaing’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Castelvieilh, 8.3 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, Campistrous, 16 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 Hautes-Pyrénées.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Sère-Rustaing’s climate
How warm does Sère-Rustaing get in summer?
August is the warmest month, with average highs of 26.1°C. About 68 days a year reach 25°C, more than 61% of mainland French towns, and about 19 reach 30°C.
How cold does Sère-Rustaing get in winter?
January nights average 3.3°C. The air drops to 0°C or below on about 20 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Sère-Rustaing get?
About 956 mm a year, more than 84% of mainland French towns. May is the wettest month (105 mm) and August the driest (60 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Campistrous (16 km away), averages 1,960 hours of sunshine a year.
Are these figures for Sère-Rustaing itself?
No: they are the normals of the Météo-France station matched to Sère-Rustaing, Castelvieilh, 8.3 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 CASTELVIEILH, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sère-Rustaing →
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.