Trélans sits near the top of mainland French towns for frosts
The warmest part of a July day comes in at 23.1°C on average. From frosty January to warm July, readings climb 25°C. Of the 4 towns of 2,500+ in Lozère, it is the wettest. Wet days, with 1 mm of rain or more, come about 128 times a year.
These are the figures of Météo-France’s Laguiole station, 28 km north-west; at that distance they describe the area more than the town.
A year in Trélans at a glance
Each month’s typical high and low in °C, at the Laguiole station.
What a year in Trélans feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Laguiole.
About 1,441 mm of rain a year
November is the wettest month and July the driest. About 52 days a year bring 10 mm or more. The wettest of 4 towns of 2,500+ in Lozère.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Mende
A frosty town: 98 frosts and 39 days of 25°C a year
On about 98 nights a year the air drops to 0°C or below, and on about 15 days it stays below freezing all day. About 39 days a year reach 25°C, and 6 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Laguiole: 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 Laguiole
Laguiole is 28 km north-west of Trélans. Every figure on this page is the station’s, not a measurement in Trélans itself.
| Station (Météo-France number) | Laguiole (12119001) |
| Distance from the town | 28 km north-west |
| Station altitude | 1,030 m |
| Town altitude (its center) | 976 m |
| Period | 1991–2020 |
| Nearest station of any kind | 7.6 km |
| Sunshine measured at | Mende, 29 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 Trélans 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 Lozère.
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 |
|---|---|---|---|---|
| Trélans | Laguiole | 23.1°C | −1.8°C | 1,441 mm |
| Marvejols 17 km | Montrodat | 26.7°C 3.6°C warmer | −1.6°C about the same | 818 mm |
| Sévérac d'Aveyron 20 km | Millau | 25.7°C 2.6°C warmer | 0.5°C 2.3°C milder | 713 mm |
| Espalion 27 km | Entraygues sur | 29.3°C 6.2°C warmer | 1.5°C 3.3°C milder | 1,116 mm |
Trélans weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Laguiole station; sunshine at Mende.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.9°C | −1.8°C | 1.5°C | 130 mm | 95 |
| February | 5.5°C | −2.2°C | 1.6°C | 106 mm | 120 |
| March | 9.2°C | 0.5°C | 4.8°C | 109 mm | 170 |
| April | 12.1°C | 2.7°C | 7.4°C | 129 mm | 185 |
| May | 16.4°C | 6.2°C | 11.3°C | 124 mm | 213 |
| June | 20.5°C | 9.6°C | 15.1°C | 94 mm | 254 |
| July | 23.1°C | 11.5°C | 17.3°C | 83 mm | 293 |
| August | 23.1°C | 11.5°C | 17.3°C | 94 mm | 281 |
| September | 18.5°C | 8.3°C | 13.4°C | 123 mm | 210 |
| October | 14.1°C | 5.8°C | 9.9°C | 139 mm | 150 |
| November | 8.6°C | 1.6°C | 5.1°C | 158 mm | 88 |
| December | 5.8°C | −0.8°C | 2.5°C | 154 mm | 98 |
| Year | 13.5°C | 4.4°C | 8.9°C | 1,441 mm | 2,157 |
Where Trélans’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Laguiole, 28 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, Mende, 29 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 Lozère.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Trélans’s climate
How warm does Trélans get in summer?
July is the warmest month, with average highs of 23.1°C. About 39 days a year reach 25°C, fewer than 81% of mainland French towns, and about 6 reach 30°C.
How cold does Trélans get in winter?
February nights average −2.2°C. The air drops to 0°C or below on about 98 nights a year, and about 15 days a year stay below freezing all day.
How much rain does Trélans get?
About 1,441 mm a year, more than 98% of mainland French towns. November is the wettest month (158 mm) and July the driest (83 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mende (29 km away), averages 2,157 hours of sunshine a year.
Are these figures for Trélans itself?
No: they are the normals of the Météo-France station matched to Trélans, Laguiole, 28 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 LAGUIOLE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Trélans →
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.