Jax is among the frostiest of mainland French towns
On a normal July day the thermometer tops out near 23.7°C. By July afternoons alone, it runs cooler than 87% of mainland French towns. The gap between a January night and a July afternoon is 27°C. Plan time outside from June to August, when highs sit at 21–24°C.
These are the figures of Météo-France’s Allègre station, 8.9 km north-east.
A year in Jax at a glance
Each month’s typical high and low in °C, at the Allègre station.
What a year in Jax feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Allègre.
About 909 mm of rain a year
May is the wettest month and February the driest. About 28 days a year bring 10 mm or more. 5th wettest of 24 towns of 2,500+ in Haute-Loire.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Le Puy-Loudes
A frosty town: 124 frosts and 41 days of 25°C a year
On about 124 nights a year the air drops to 0°C or below, and on about 17 days it stays below freezing all day. About 41 days a year reach 25°C, and 7 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Allègre: 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 Allègre
Allègre is 8.9 km north-east of Jax. Every figure on this page is the station’s, not a measurement in Jax itself.
| Station (Météo-France number) | Allègre (43003001) |
| Distance from the town | 8.9 km north-east |
| Station altitude | 1,035 m |
| Town altitude (its center) | 1,014 m |
| Period | 1991–2020 |
| Nearest station of any kind | 2.9 km |
| Sunshine measured at | Le Puy-Loudes, 15 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 Jax 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 Haute-Loire.
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 |
|---|---|---|---|---|
| Jax | Allègre | 23.7°C | −3.2°C | 909 mm |
| Langeac 12 km | Chavaniac-Lafayette | 26.6°C 2.9°C warmer | −1.4°C 1.8°C milder | 766 mm |
| Polignac 22 km | Le Puy-Chadrac | 26.2°C 2.5°C warmer | −1.3°C 1.9°C milder | 632 mm |
| Brioude 23 km | Fontannes | 27.8°C 4.1°C warmer | −0.7°C 2.5°C milder | 612 mm |
| Espaly-Saint-Marcel 24 km | Le Puy-Chadrac | 26.2°C 2.5°C warmer | −1.3°C 1.9°C milder | 632 mm |
| Chadrac 25 km | Le Puy-Chadrac | 26.2°C 2.5°C warmer | −1.3°C 1.9°C milder | 632 mm |
| Vals-près-le-Puy 25 km | Le Puy-Chadrac | 26.2°C 2.5°C warmer | −1.3°C 1.9°C milder | 632 mm |
Jax weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Allègre station; sunshine at Le Puy-Loudes.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.5°C | −3.2°C | 0.7°C | 58 mm | 89 |
| February | 5.7°C | −3.4°C | 1.1°C | 46 mm | 112 |
| March | 9.7°C | −1.0°C | 4.4°C | 48 mm | 168 |
| April | 12.6°C | 1.2°C | 6.9°C | 74 mm | 171 |
| May | 16.7°C | 4.8°C | 10.8°C | 98 mm | 195 |
| June | 21.1°C | 8.3°C | 14.7°C | 89 mm | 225 |
| July | 23.7°C | 10.1°C | 16.9°C | 85 mm | 264 |
| August | 23.7°C | 10.1°C | 16.9°C | 86 mm | 245 |
| September | 19.0°C | 6.8°C | 12.9°C | 86 mm | 185 |
| October | 14.0°C | 4.4°C | 9.2°C | 88 mm | 128 |
| November | 8.2°C | 0.2°C | 4.2°C | 90 mm | 88 |
| December | 5.2°C | −2.3°C | 1.4°C | 61 mm | 83 |
| Year | 13.7°C | 3.0°C | 8.3°C | 909 mm | 1,952 |
Where Jax’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Allègre, 8.9 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, Le Puy-Loudes, 15 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 Haute-Loire.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Jax’s climate
How warm does Jax get in summer?
July is the warmest month, with average highs of 23.7°C. About 41 days a year reach 25°C, fewer than 80% of mainland French towns, and about 7 reach 30°C.
How cold does Jax get in winter?
February nights average −3.4°C. The air drops to 0°C or below on about 124 nights a year, and about 17 days a year stay below freezing all day.
How much rain does Jax get?
About 909 mm a year, more than 78% of mainland French towns. May is the wettest month (98 mm) and February the driest (46 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Le Puy-Loudes (15 km away), averages 1,952 hours of sunshine a year.
Are these figures for Jax itself?
No: they are the normals of the Météo-France station matched to Jax, Allègre, 8.9 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 ALLEGRE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Jax →
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.