Ousse-Suzan is wetter than 92% of mainland French towns: 1,114 mm of rain a year
High summer brings afternoon highs near 27.8°C. Warm afternoons come more often than in 89% of mainland French towns. Winter and summer sit 27°C apart. Keep the boiler serviced for the months from December to February, which average under 10°C.
Figures from Météo-France’s Bégaar station, 15 km south-west.
A year in Ousse-Suzan at a glance
Each month’s typical high and low in °C, at the Bégaar station.
What a year in Ousse-Suzan feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Bégaar.
About 1,114 mm of rain a year
November is the wettest month and July the driest. About 38 days a year bring 10 mm or more. 21st wettest of 35 towns of 2,500+ in Landes.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Mont-de-Marsan
49 frosts and 103 days of 25°C a year
On about 49 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 103 days a year reach 25°C, and 40 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Bégaar: 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 Bégaar
Bégaar is 15 km south-west of Ousse-Suzan. Every figure on this page is the station’s, not a measurement in Ousse-Suzan itself.
| Station (Météo-France number) | Bégaar (40031001) |
| Distance from the town | 15 km south-west |
| Station altitude | 19 m |
| Town altitude (its center) | 65 m |
| Period | 1991–2020 |
| Sunshine measured at | Mont-de-Marsan, 21 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 Ousse-Suzan 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 |
|---|---|---|---|---|
| Ousse-Suzan | Bégaar | 27.8°C | 1.8°C | 1,114 mm |
| Rion-des-Landes 15 km | same station | 27.8°C about the same | 1.8°C about the same | 1,114 mm |
| Tartas 15 km | same station | 27.8°C about the same | 1.8°C about the same | 1,114 mm |
| Morcenx-la-Nouvelle 15 km | Sabres | 27.2°C 0.6°C cooler | 2.5°C 0.7°C milder | 1,101 mm |
| Saint-Pierre-du-Mont 22 km | Mont-de-Marsan | 27.8°C about the same | 2.1°C about the same | 918 mm |
| Mont-de-Marsan 23 km | Mont-de-Marsan | 27.8°C about the same | 2.1°C about the same | 918 mm |
| Pontonx-sur-l'Adour 23 km | same station | 27.8°C about the same | 1.8°C about the same | 1,114 mm |
Ousse-Suzan weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Bégaar station; sunshine at Mont-de-Marsan.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 11.4°C | 1.8°C | 6.6°C | 109 mm | 89 |
| February | 13.0°C | 1.4°C | 7.2°C | 85 mm | 114 |
| March | 17.1°C | 3.7°C | 10.4°C | 84 mm | 165 |
| April | 19.1°C | 6.2°C | 12.6°C | 103 mm | 174 |
| May | 23.0°C | 10.0°C | 16.5°C | 87 mm | 196 |
| June | 26.1°C | 13.1°C | 19.6°C | 83 mm | 214 |
| July | 27.8°C | 14.8°C | 21.3°C | 59 mm | 233 |
| August | 28.3°C | 14.7°C | 21.5°C | 65 mm | 226 |
| September | 25.5°C | 11.5°C | 18.5°C | 86 mm | 199 |
| October | 21.2°C | 8.9°C | 15.0°C | 99 mm | 150 |
| November | 15.0°C | 5.0°C | 10.0°C | 141 mm | 97 |
| December | 11.6°C | 2.4°C | 7.0°C | 115 mm | 85 |
| Year | 19.9°C | 7.8°C | 13.8°C | 1,114 mm | 1,942 |
Where Ousse-Suzan’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Bégaar, 15 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, 21 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 Ousse-Suzan’s climate
How warm does Ousse-Suzan get in summer?
August is the warmest month, with average highs of 28.3°C. About 103 days a year reach 25°C, more than 89% of mainland French towns, and about 40 reach 30°C.
How cold does Ousse-Suzan get in winter?
February nights average 1.4°C. The air drops to 0°C or below on about 49 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Ousse-Suzan get?
About 1,114 mm a year, more than 92% of mainland French towns. November is the wettest month (141 mm) and July the driest (59 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mont-de-Marsan (21 km away), averages 1,942 hours of sunshine a year.
Are these figures for Ousse-Suzan itself?
No: they are the normals of the Météo-France station matched to Ousse-Suzan, Bégaar, 15 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 BEGAAR, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Ousse-Suzan →
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.