Warm afternoons come to Arx more often than to 87% of mainland French towns
Nights in January average 2.4°C. It is a wet place: more rain falls here than on 71% of mainland French towns. Only 26°C separates winter nights from summer afternoons. Plan for rain on about 119 days a year, the days with 1 mm or more.
These are the figures of Météo-France’s Réaup station, 9.4 km east.
A year in Arx at a glance
Each month’s typical high and low in °C, at the Réaup station.
What a year in Arx feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Réaup.
About 858 mm of rain a year
November is the wettest month and July the driest. About 27 days a year bring 10 mm or more. 33rd wettest of 35 towns of 2,500+ in Landes.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Agen-la Garenne
36 frosts and 98 days of 25°C a year
On about 36 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 98 days a year reach 25°C, and 38 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Réaup: 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 Réaup
Réaup is 9.4 km east of Arx. Every figure on this page is the station’s, not a measurement in Arx itself.
| Station (Météo-France number) | Réaup (47221001) |
| Distance from the town | 9.4 km east |
| Station altitude | 158 m |
| Town altitude (its center) | 133 m |
| Period | 1991–2020 |
| Sunshine measured at | Agen-la Garenne, 42 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 Arx 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 Landes.
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 |
|---|---|---|---|---|
| Arx | Réaup | 28.3°C | 2.4°C | 858 mm |
| Nérac 21 km | Agen-la Garenne | 28.0°C about the same | 2.5°C about the same | 708 mm |
| Casteljaloux 23 km | Saint-Martin-Curto | 27.8°C 0.5°C cooler | 2.6°C about the same | 867 mm |
| Eauze 28 km | Parleboscq | 27.4°C 0.9°C cooler | 2.1°C about the same | 874 mm |
Arx weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Réaup station; sunshine at Agen-la Garenne.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.9°C | 2.4°C | 6.2°C | 79 mm | 76 |
| February | 11.8°C | 2.3°C | 7.0°C | 58 mm | 113 |
| March | 15.7°C | 4.7°C | 10.2°C | 61 mm | 172 |
| April | 18.4°C | 6.7°C | 12.6°C | 84 mm | 186 |
| May | 22.2°C | 10.3°C | 16.3°C | 80 mm | 216 |
| June | 25.9°C | 13.5°C | 19.7°C | 79 mm | 235 |
| July | 28.3°C | 15.3°C | 21.8°C | 48 mm | 260 |
| August | 28.6°C | 15.3°C | 21.9°C | 60 mm | 250 |
| September | 24.9°C | 12.3°C | 18.6°C | 65 mm | 211 |
| October | 19.9°C | 9.8°C | 14.8°C | 71 mm | 143 |
| November | 13.7°C | 5.5°C | 9.6°C | 89 mm | 88 |
| December | 10.5°C | 3.1°C | 6.8°C | 83 mm | 72 |
| Year | 19.1°C | 8.4°C | 13.8°C | 858 mm | 2,020 |
Where Arx’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Réaup, 9.4 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, Agen-la Garenne, 42 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 Landes.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Arx’s climate
How warm does Arx get in summer?
August is the warmest month, with average highs of 28.6°C. About 98 days a year reach 25°C, more than 87% of mainland French towns, and about 38 reach 30°C.
How cold does Arx get in winter?
February nights average 2.3°C. The air drops to 0°C or below on about 36 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Arx get?
About 858 mm a year, more than 71% of mainland French towns. November is the wettest month (89 mm) and July the driest (48 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Agen-la Garenne (42 km away), averages 2,020 hours of sunshine a year.
Are these figures for Arx itself?
No: they are the normals of the Météo-France station matched to Arx, Réaup, 9.4 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 REAUP, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Arx →
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.