Warm afternoons come to Geloux more often than to 85% of mainland French towns
The coldest hours of a January night bottom out at 2.1°C on average. Rain is plentiful here, more than falls on 79% of mainland French towns. Wet weather is most frequent in November and least in July. Gritters and ice scrapers earn their keep on roughly 46 nights a year below 0°C.
Figures from Météo-France’s Mont-de-Marsan station, 13 km south-east.
A year in Geloux at a glance
Each month’s typical high and low in °C, at the Mont-de-Marsan station.
What a year in Geloux feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Mont-de-Marsan.
About 918 mm of rain a year
November is the wettest month and July the driest. About 30 days a year bring 10 mm or more. 31st wettest of 35 towns of 2,500+ in Landes.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Mont-de-Marsan
46 frosts and 94 days of 25°C a year
On about 46 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 94 days a year reach 25°C, and 32 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Mont-de-Marsan: 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 Mont-de-Marsan
Mont-de-Marsan is 13 km south-east of Geloux. Every figure on this page is the station’s, not a measurement in Geloux itself.
| Station (Météo-France number) | Mont-de-Marsan (40192001) |
| Distance from the town | 13 km south-east |
| Station altitude | 59 m |
| Town altitude (its center) | 52 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
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 Geloux 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. Where a neighbor uses the same station its figures are the same: the differences you’d feel over a few kilometers aren’t in the normals.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Geloux | Mont-de-Marsan | 27.8°C | 2.1°C | 918 mm |
| Saint-Pierre-du-Mont 15 km | same station | 27.8°C about the same | 2.1°C about the same | 918 mm |
| Mont-de-Marsan 15 km | same station | 27.8°C about the same | 2.1°C about the same | 918 mm |
| Tartas 21 km | Bégaar | 27.8°C about the same | 1.8°C about the same | 1,114 mm |
| Morcenx-la-Nouvelle 23 km | Sabres | 27.2°C 0.6°C cooler | 2.5°C about the same | 1,101 mm |
| Rion-des-Landes 25 km | Bégaar | 27.8°C about the same | 1.8°C about the same | 1,114 mm |
| Saint-Sever 25 km | Grenade-sur-Ad | 28.1°C about the same | 2.3°C about the same | 1,010 mm |
Geloux weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Mont-de-Marsan station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.9°C | 2.1°C | 6.5°C | 82 mm | 89 |
| February | 12.7°C | 1.8°C | 7.2°C | 62 mm | 114 |
| March | 16.4°C | 4.2°C | 10.3°C | 69 mm | 165 |
| April | 18.7°C | 6.7°C | 12.7°C | 88 mm | 174 |
| May | 22.3°C | 10.4°C | 16.3°C | 79 mm | 196 |
| June | 25.5°C | 13.7°C | 19.6°C | 73 mm | 214 |
| July | 27.8°C | 15.5°C | 21.6°C | 55 mm | 233 |
| August | 28.2°C | 15.4°C | 21.8°C | 60 mm | 226 |
| September | 25.0°C | 11.9°C | 18.5°C | 73 mm | 199 |
| October | 20.4°C | 9.2°C | 14.8°C | 85 mm | 150 |
| November | 14.4°C | 5.1°C | 9.7°C | 105 mm | 97 |
| December | 11.4°C | 2.6°C | 7.0°C | 88 mm | 85 |
| Year | 19.5°C | 8.2°C | 13.8°C | 918 mm | 1,942 |
Where Geloux’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Mont-de-Marsan, 13 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, Mont-de-Marsan, 13 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 Geloux’s climate
How warm does Geloux get in summer?
August is the warmest month, with average highs of 28.2°C. About 94 days a year reach 25°C, more than 85% of mainland French towns, and about 32 reach 30°C.
How cold does Geloux get in winter?
February nights average 1.8°C. The air drops to 0°C or below on about 46 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Geloux get?
About 918 mm a year, more than 79% of mainland French towns. November is the wettest month (105 mm) and July the driest (55 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mont-de-Marsan (13 km away), averages 1,942 hours of sunshine a year.
Are these figures for Geloux itself?
No: they are the normals of the Météo-France station matched to Geloux, Mont-de-Marsan, 13 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 MONT-DE-MARSAN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Geloux →
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.