Few mainland French towns get more rain than Altier: 1,552 mm a year
On a normal January night the air cools to about −1.9°C. Winter and summer sit 28°C apart. By frosts alone, it ranks colder than 98% of mainland French towns. Wet days, with 1 mm of rain or more, come about 113 times a year.
Figures from Météo-France’s Le Pont-de-Montvert station, 14 km south-west.
A year in Altier at a glance
Each month’s typical high and low in °C, at the Le Pont-de-Montvert station.
What a year in Altier feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Le Pont-de-Montvert.
About 1,552 mm of rain a year
November is the wettest month and July the driest. About 39 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: 97 frosts and 57 days of 25°C a year
On about 97 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 57 days a year reach 25°C, and 14 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Le Pont-de-Montvert: 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 Pont-de-Montvert
Le Pont-de-Montvert is 14 km south-west of Altier. Every figure on this page is the station’s, not a measurement in Altier itself.
| Station (Météo-France number) | Le Pont-de-Montvert (48116001) |
| Distance from the town | 14 km south-west |
| Station altitude | 875 m |
| Town altitude (its center) | 879 m |
| Period | 1991–2020 |
| Nearest station of any kind | 3.5 km |
| Sunshine measured at | Mende, 33 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 Altier 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.
Altier weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Le Pont-de-Montvert station; sunshine at Mende.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.6°C | −1.9°C | 2.3°C | 134 mm | 95 |
| February | 7.7°C | −2.2°C | 2.8°C | 94 mm | 120 |
| March | 11.3°C | 0.3°C | 5.8°C | 98 mm | 170 |
| April | 14.0°C | 2.6°C | 8.3°C | 150 mm | 185 |
| May | 18.1°C | 5.8°C | 11.9°C | 132 mm | 213 |
| June | 22.8°C | 9.0°C | 15.9°C | 86 mm | 254 |
| July | 25.8°C | 10.9°C | 18.3°C | 57 mm | 293 |
| August | 25.6°C | 10.7°C | 18.1°C | 63 mm | 281 |
| September | 20.5°C | 7.5°C | 14.0°C | 150 mm | 210 |
| October | 15.6°C | 5.2°C | 10.4°C | 201 mm | 150 |
| November | 10.2°C | 1.7°C | 5.9°C | 237 mm | 88 |
| December | 7.2°C | −1.0°C | 3.1°C | 150 mm | 98 |
| Year | 15.5°C | 4.1°C | 9.7°C | 1,552 mm | 2,157 |
Where Altier’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Le Pont-de-Montvert, 14 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, 33 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 Altier’s climate
How warm does Altier get in summer?
July is the warmest month, with average highs of 25.8°C. About 57 days a year reach 25°C, fewer than 57% of mainland French towns, and about 14 reach 30°C.
How cold does Altier get in winter?
February nights average −2.2°C. The air drops to 0°C or below on about 97 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Altier get?
About 1,552 mm a year, more than almost every mainland French town. November is the wettest month (237 mm) and July the driest (57 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mende (33 km away), averages 2,157 hours of sunshine a year.
Are these figures for Altier itself?
No: they are the normals of the Météo-France station matched to Altier, Le Pont-de-Montvert, 14 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 PONT-DE-MONTVERT, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Altier →
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.