More rain falls on Seix than on 86% of mainland French towns: 973 mm a year
The warmest part of a July day comes in at 25.5°C on average. Seasons differ by 26°C, from the coldest nights to the warmest afternoons. By January nights alone, it runs colder than 80% of mainland French towns. Homes need heating from November to March, the months averaging under 10°C.
Figures from Météo-France’s Saint-Girons station, 18 km north-west.
A year in Seix at a glance
Each month’s typical high and low in °C, at the Saint-Girons station.
What a year in Seix feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Girons.
About 973 mm of rain a year
May is the wettest month and July the driest. About 31 days a year bring 10 mm or more. 4th wettest of 11 towns of 2,500+ in Ariège.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Girons
49 frosts and 67 days of 25°C a year
On about 49 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 67 days a year reach 25°C, and 17 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Girons: 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 Saint-Girons
Saint-Girons is 18 km north-west of Seix. Every figure on this page is the station’s, not a measurement in Seix itself.
| Station (Météo-France number) | Saint-Girons (09289001) |
| Distance from the town | 18 km north-west |
| Station altitude | 414 m |
| Town altitude (its center) | 512 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
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 Seix 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 Ariège.
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 |
|---|---|---|---|---|
| Seix | Saint-Girons | 25.5°C | 0.5°C | 973 mm |
| Saint-Girons 14 km | same station | 25.5°C about the same | 0.5°C about the same | 973 mm |
Seix weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Girons station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.5°C | 0.5°C | 5.5°C | 82 mm | 116 |
| February | 11.5°C | 1.0°C | 6.3°C | 69 mm | 129 |
| March | 14.7°C | 3.3°C | 9.0°C | 74 mm | 169 |
| April | 16.7°C | 5.5°C | 11.1°C | 104 mm | 171 |
| May | 20.0°C | 9.1°C | 14.6°C | 107 mm | 183 |
| June | 23.4°C | 12.6°C | 18.0°C | 78 mm | 193 |
| July | 25.5°C | 14.6°C | 20.0°C | 59 mm | 211 |
| August | 26.1°C | 14.5°C | 20.3°C | 67 mm | 209 |
| September | 23.1°C | 11.2°C | 17.1°C | 73 mm | 193 |
| October | 19.3°C | 8.1°C | 13.7°C | 82 mm | 157 |
| November | 13.8°C | 3.6°C | 8.7°C | 99 mm | 119 |
| December | 11.2°C | 1.1°C | 6.2°C | 80 mm | 113 |
| Year | 18.0°C | 7.1°C | 12.5°C | 973 mm | 1,964 |
Where Seix’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Girons, 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, Saint-Girons, 18 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 Ariège.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Seix’s climate
How warm does Seix get in summer?
August is the warmest month, with average highs of 26.1°C. About 67 days a year reach 25°C, more than 57% of mainland French towns, and about 17 reach 30°C.
How cold does Seix get in winter?
January nights average 0.5°C. The air drops to 0°C or below on about 49 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Seix get?
About 973 mm a year, more than 86% of mainland French towns. May is the wettest month (107 mm) and July the driest (59 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Girons (18 km away), averages 1,964 hours of sunshine a year.
Are these figures for Seix itself?
No: they are the normals of the Météo-France station matched to Seix, Saint-Girons, 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 ST GIRONS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Seix →
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.