Summer arrives in force in Caylus, hotter than in 86% of mainland French towns
Nights in January average 1.7°C. Winter and summer sit 27°C apart. None of the 17 towns of 2,500+ in Tarn-et-Garonne gets more rain. Windscreens need scraping on about 43 mornings a year, the nights the air drops below 0°C.
These are the figures of Météo-France’s Le Montat station, 31 km north-west; at that distance they describe the area more than the town.
A year in Caylus at a glance
Each month’s typical high and low in °C, at the Le Montat station.
What a year in Caylus feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Le Montat.
About 825 mm of rain a year
May is the wettest month and July the driest. About 26 days a year bring 10 mm or more. The wettest of 17 towns of 2,500+ in Tarn-et-Garonne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Le Montat
43 frosts and 91 days of 25°C a year
On about 43 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 91 days a year reach 25°C, and 38 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Le Montat: 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 Le Montat
Le Montat is 31 km north-west of Caylus. Every figure on this page is the station’s, not a measurement in Caylus itself.
| Station (Météo-France number) | Le Montat (46197002) |
| Distance from the town | 31 km north-west |
| Station altitude | 260 m |
| Town altitude (its center) | 262 m |
| Period | 1991–2020 |
| Nearest station of any kind | 5.2 km |
| 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 Caylus 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-et-Garonne.
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 |
|---|---|---|---|---|
| Caylus | Le Montat | 28.7°C | 1.7°C | 825 mm |
| Caussade 20 km | Saint-Vincent | 28.7°C about the same | 2.4°C 0.7°C milder | 771 mm |
| Villefranche-de-Rouergue 25 km | Villefranche-de-Rouergue | 28.1°C 0.6°C cooler | 1.0°C 0.7°C colder | 865 mm |
| Nègrepelisse 27 km | Montauban | 28.3°C about the same | 2.2°C 0.5°C milder | 710 mm |
Caylus weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Le Montat station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.1°C | 1.7°C | 5.4°C | 77 mm | 84 |
| February | 10.9°C | 1.5°C | 6.2°C | 60 mm | 128 |
| March | 15.1°C | 4.2°C | 9.6°C | 61 mm | 169 |
| April | 18.2°C | 6.5°C | 12.3°C | 73 mm | 193 |
| May | 22.0°C | 9.6°C | 15.8°C | 80 mm | 221 |
| June | 25.9°C | 13.1°C | 19.5°C | 78 mm | 251 |
| July | 28.7°C | 15.0°C | 21.8°C | 50 mm | 272 |
| August | 28.7°C | 14.9°C | 21.8°C | 61 mm | 253 |
| September | 24.4°C | 11.5°C | 17.9°C | 69 mm | 221 |
| October | 19.3°C | 9.0°C | 14.1°C | 65 mm | 153 |
| November | 12.9°C | 4.8°C | 8.8°C | 74 mm | 103 |
| December | 9.6°C | 2.3°C | 6.0°C | 77 mm | 94 |
| Year | 18.7°C | 7.8°C | 13.3°C | 825 mm | 2,142 |
Where Caylus’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Le Montat, 31 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, Le Montat, 31 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-et-Garonne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Caylus’s climate
How warm does Caylus get in summer?
July is the warmest month, with average highs of 28.7°C. About 91 days a year reach 25°C, more than 83% of mainland French towns, and about 38 reach 30°C.
How cold does Caylus get in winter?
February nights average 1.5°C. The air drops to 0°C or below on about 43 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Caylus get?
About 825 mm a year, more than 66% of mainland French towns. May is the wettest month (80 mm) and July the driest (50 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Le Montat (31 km away), averages 2,142 hours of sunshine a year.
Are these figures for Caylus itself?
No: they are the normals of the Météo-France station matched to Caylus, Le Montat, 31 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 LE MONTAT, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Caylus →
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.