Authon has some of the coldest winter nights among mainland French towns
Expect July afternoons of about 26.3°C. By rainfall alone, it ranks drier than 70% of mainland French towns. The rainiest month is November; the driest is February. Windscreens need scraping on about 170 mornings a year, the nights the air drops below 0°C.
These are the figures of Météo-France’s Barcelonnette station, 47 km east; at that distance they describe the area more than the town.
A year in Authon at a glance
Each month’s typical high and low in °C, at the Barcelonnette station.
What a year in Authon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Barcelonnette.
About 694 mm of rain a year
November is the wettest month and February the driest. About 23 days a year bring 10 mm or more. 12th wettest of 15 towns of 2,500+ in Alpes-de-Haute-Provence.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Auban
A frosty town: 170 frosts and 66 days of 25°C a year
On about 170 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 66 days a year reach 25°C, and 10 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Barcelonnette: 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 Barcelonnette
Barcelonnette is 47 km east of Authon. Every figure on this page is the station’s, not a measurement in Authon itself. At that distance, read them as the area’s climate.
| Station (Météo-France number) | Barcelonnette (04019001) |
| Distance from the town | 47 km east |
| Station altitude | 1,155 m |
| Town altitude (its center) | 1,163 m |
| Period | 1991–2020 |
| Nearest station of any kind | 16 km |
| Sunshine measured at | Saint-Auban, 23 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 Authon 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 Alpes-de-Haute-Provence.
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 |
|---|---|---|---|---|
| Authon | Barcelonnette | 26.3°C | −7.9°C | 694 mm |
| Sisteron 15 km | Saint-Auban | 30.3°C 4°C warmer | 0.2°C 8.1°C milder | 714 mm |
| Digne-les-Bains 20 km | Valensole | 29.8°C 3.5°C warmer | 1.1°C 9°C milder | 672 mm |
| Château-Arnoux-Saint-Auban 21 km | Saint-Auban | 30.3°C 4°C warmer | 0.2°C 8.1°C milder | 714 mm |
| Laragne-Montéglin 24 km | Laragne-Montéglin | 30.5°C 4.2°C warmer | −2.6°C 5.3°C milder | 814 mm |
| Les Mées 27 km | Saint-Auban | 30.3°C 4°C warmer | 0.2°C 8.1°C milder | 714 mm |
| Peyruis 28 km | Saint-Auban | 30.3°C 4°C warmer | 0.2°C 8.1°C milder | 714 mm |
Authon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Barcelonnette station; sunshine at Saint-Auban.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.2°C | −7.9°C | −0.8°C | 44 mm | 168 |
| February | 8.0°C | −7.3°C | 0.4°C | 33 mm | 183 |
| March | 12.3°C | −3.6°C | 4.3°C | 42 mm | 230 |
| April | 15.1°C | −0.3°C | 7.4°C | 60 mm | 228 |
| May | 19.3°C | 3.4°C | 11.4°C | 64 mm | 263 |
| June | 23.7°C | 6.5°C | 15.1°C | 57 mm | 303 |
| July | 26.3°C | 8.4°C | 17.4°C | 49 mm | 342 |
| August | 26.1°C | 8.0°C | 17.1°C | 49 mm | 312 |
| September | 21.4°C | 4.9°C | 13.1°C | 64 mm | 249 |
| October | 16.5°C | 1.4°C | 9.0°C | 85 mm | 196 |
| November | 10.2°C | −2.9°C | 3.7°C | 88 mm | 157 |
| December | 6.3°C | −6.7°C | −0.2°C | 60 mm | 149 |
| Year | 15.9°C | 0.3°C | 8.2°C | 694 mm | 2,779 |
Where Authon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Barcelonnette, 47 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-Auban, 23 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 Alpes-de-Haute-Provence.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Authon’s climate
How warm does Authon get in summer?
July is the warmest month, with average highs of 26.3°C. About 66 days a year reach 25°C, more than 56% of mainland French towns, and about 10 reach 30°C.
How cold does Authon get in winter?
January nights average −7.9°C. The air drops to 0°C or below on about 170 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Authon get?
About 694 mm a year, less than 70% of mainland French towns. November is the wettest month (88 mm) and February the driest (33 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Auban (23 km away), averages 2,779 hours of sunshine a year.
Are these figures for Authon itself?
No: they are the normals of the Météo-France station matched to Authon, Barcelonnette, 47 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 BARCELONNETTE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Authon →
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.