Warm afternoons come to Losse more often than to 82% of mainland French towns
On a normal January night the air cools to about 2.1°C. By rainfall alone, it ranks wetter than 74% of mainland French towns. November is the wettest month, July the driest. Expect about 39 frosty starts a year, nights when the air falls below freezing.
These are the figures of Météo-France’s Parleboscq station, 21 km south-east.
A year in Losse at a glance
Each month’s typical high and low in °C, at the Parleboscq station.
What a year in Losse feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Parleboscq.
About 874 mm of rain a year
November is the wettest month and July the driest. About 29 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 Mont-de-Marsan
39 frosts and 90 days of 25°C a year
On about 39 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 90 days a year reach 25°C, and 29 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Parleboscq: 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 Parleboscq
Parleboscq is 21 km south-east of Losse. Every figure on this page is the station’s, not a measurement in Losse itself.
| Station (Météo-France number) | Parleboscq (40218002) |
| Distance from the town | 21 km south-east |
| Station altitude | 155 m |
| Town altitude (its center) | 141 m |
| Period | 1991–2020 |
| Nearest station of any kind | 12 km |
| Sunshine measured at | Mont-de-Marsan, 38 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 Losse 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 |
|---|---|---|---|---|
| Losse | Parleboscq | 27.4°C | 2.1°C | 874 mm |
| Villeneuve-de-Marsan 28 km | Grenade-sur-Ad | 28.1°C 0.7°C warmer | 2.3°C about the same | 1,010 mm |
| Casteljaloux 28 km | Saint-Martin-Curto | 27.8°C about the same | 2.6°C 0.5°C milder | 867 mm |
Losse weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Parleboscq station; sunshine at Mont-de-Marsan.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.2°C | 2.1°C | 6.1°C | 84 mm | 89 |
| February | 11.6°C | 2.0°C | 6.8°C | 63 mm | 114 |
| March | 15.6°C | 4.3°C | 10.0°C | 64 mm | 165 |
| April | 17.8°C | 6.7°C | 12.2°C | 81 mm | 174 |
| May | 21.8°C | 10.2°C | 16.0°C | 78 mm | 196 |
| June | 25.0°C | 13.2°C | 19.1°C | 68 mm | 214 |
| July | 27.4°C | 14.9°C | 21.2°C | 53 mm | 233 |
| August | 27.7°C | 14.9°C | 21.3°C | 56 mm | 226 |
| September | 24.6°C | 11.8°C | 18.2°C | 68 mm | 199 |
| October | 20.0°C | 9.3°C | 14.7°C | 75 mm | 150 |
| November | 13.7°C | 5.2°C | 9.4°C | 96 mm | 97 |
| December | 10.5°C | 2.7°C | 6.6°C | 87 mm | 85 |
| Year | 18.8°C | 8.1°C | 13.5°C | 874 mm | 1,942 |
Where Losse’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Parleboscq, 21 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, 38 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 Losse’s climate
How warm does Losse get in summer?
August is the warmest month, with average highs of 27.7°C. About 90 days a year reach 25°C, more than 82% of mainland French towns, and about 29 reach 30°C.
How cold does Losse get in winter?
February nights average 2.0°C. The air drops to 0°C or below on about 39 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Losse get?
About 874 mm a year, more than 74% of mainland French towns. November is the wettest month (96 mm) and July the driest (53 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mont-de-Marsan (38 km away), averages 1,942 hours of sunshine a year.
Are these figures for Losse itself?
No: they are the normals of the Météo-France station matched to Losse, Parleboscq, 21 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 PARLEBOSCQ, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Losse →
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.