Ice rarely forms: Callian sees fewer frosts than 88% of mainland French towns
High summer brings afternoon highs near 26.8°C. By rainfall alone, it ranks wetter than 68% of mainland French towns. Rain peaks in November and eases off in July. An umbrella earns its place on about 116 days a year with 1 mm of rain or more.
These are the figures of Météo-France’s Peyrusse-Grande station, 3.9 km west.
A year in Callian at a glance
Each month’s typical high and low in °C, at the Peyrusse-Grande station.
What a year in Callian feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Peyrusse-Grande.
About 835 mm of rain a year
November is the wettest month and July the driest. About 27 days a year bring 10 mm or more. 2nd wettest of 11 towns of 2,500+ in Gers.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Auch
22 frosts and 76 days of 25°C a year
On about 22 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 76 days a year reach 25°C, and 24 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Peyrusse-Grande: 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 Peyrusse-Grande
Peyrusse-Grande is 3.9 km west of Callian. Every figure on this page is the station’s, not a measurement in Callian itself.
| Station (Météo-France number) | Peyrusse-Grande (32315001) |
| Distance from the town | 3.9 km west |
| Station altitude | 254 m |
| Town altitude (its center) | 189 m |
| Period | 1991–2020 |
| Sunshine measured at | Auch, 28 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 Callian 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, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Callian | Peyrusse-Grande | 26.8°C | 3.0°C | 835 mm |
| Vic-Fezensac 15 km | Beaucaire | 28.2°C 1.4°C warmer | 2.3°C 0.7°C colder | 776 mm |
| Mirande 16 km | Mirande | 27.8°C 1°C warmer | 1.9°C 1.1°C colder | 819 mm |
| Auch 26 km | Auch | 27.8°C 1°C warmer | 1.6°C 1.4°C colder | 696 mm |
| Pavie 26 km | Auch | 27.8°C 1°C warmer | 1.6°C 1.4°C colder | 696 mm |
Callian weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Peyrusse-Grande station; sunshine at Auch.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.5°C | 3.0°C | 6.2°C | 77 mm | 89 |
| February | 10.9°C | 3.3°C | 7.1°C | 60 mm | 115 |
| March | 14.5°C | 5.6°C | 10.0°C | 67 mm | 168 |
| April | 16.9°C | 7.6°C | 12.3°C | 83 mm | 180 |
| May | 20.8°C | 10.9°C | 15.8°C | 86 mm | 201 |
| June | 24.5°C | 14.1°C | 19.3°C | 64 mm | 213 |
| July | 26.8°C | 16.1°C | 21.4°C | 55 mm | 240 |
| August | 27.3°C | 16.2°C | 21.7°C | 56 mm | 231 |
| September | 23.9°C | 13.4°C | 18.6°C | 60 mm | 203 |
| October | 19.0°C | 10.5°C | 14.8°C | 64 mm | 152 |
| November | 13.2°C | 6.4°C | 9.8°C | 89 mm | 99 |
| December | 10.4°C | 4.0°C | 7.2°C | 74 mm | 85 |
| Year | 18.1°C | 9.3°C | 13.7°C | 835 mm | 1,976 |
Where Callian’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Peyrusse-Grande, 3.9 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, Auch, 28 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 Callian’s climate
How warm does Callian get in summer?
August is the warmest month, with average highs of 27.3°C. About 76 days a year reach 25°C, more than 68% of mainland French towns, and about 24 reach 30°C.
How cold does Callian get in winter?
January nights average 3.0°C. The air drops to 0°C or below on about 22 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Callian get?
About 835 mm a year, more than 68% of mainland French towns. November is the wettest month (89 mm) and July the driest (55 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Auch (28 km away), averages 1,976 hours of sunshine a year.
Are these figures for Callian itself?
No: they are the normals of the Météo-France station matched to Callian, Peyrusse-Grande, 3.9 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 PEYRUSSE-GRANDE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Callian →
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.