Rainfall in Serres-Gaston tops that of 87% of mainland French towns: 1,009 mm a year
Peak summer warmth arrives in July, with afternoons near 26.8°C. Frost is rarer than in 84% of mainland French towns: about 25 nights a year drop below freezing. Expect the heaviest rain in November and the lightest in July. Gritters and ice scrapers earn their keep on roughly 25 nights a year below 0°C.
Figures from Météo-France’s Urgons station, 7.1 km east.
A year in Serres-Gaston at a glance
Each month’s typical high and low in °C, at the Urgons station.
What a year in Serres-Gaston feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Urgons.
About 1,009 mm of rain a year
November is the wettest month and July the driest. About 35 days a year bring 10 mm or more. 29th wettest of 35 towns of 2,500+ in Landes.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Mont-de-Marsan
25 frosts and 85 days of 25°C a year
On about 25 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 85 days a year reach 25°C, and 24 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Urgons: 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 Urgons
Urgons is 7.1 km east of Serres-Gaston. Every figure on this page is the station’s, not a measurement in Serres-Gaston itself.
| Station (Météo-France number) | Urgons (40321002) |
| Distance from the town | 7.1 km east |
| Station altitude | 146 m |
| Town altitude (its center) | 90 m |
| Period | 1991–2020 |
| Sunshine measured at | Mont-de-Marsan, 28 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 Serres-Gaston 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 |
|---|---|---|---|---|
| Serres-Gaston | Urgons | 26.8°C | 3.2°C | 1,009 mm |
| Hagetmau 6.2 km | same station | 26.8°C about the same | 3.2°C about the same | 1,009 mm |
| Saint-Sever 12 km | Grenade-sur-Ad | 28.1°C 1.3°C warmer | 2.3°C 0.9°C colder | 1,010 mm |
| Aire-sur-l'Adour 21 km | Grenade-sur-Ad | 28.1°C 1.3°C warmer | 2.3°C 0.9°C colder | 1,010 mm |
| Saint-Pierre-du-Mont 24 km | Mont-de-Marsan | 27.8°C 1°C warmer | 2.1°C 1.1°C colder | 918 mm |
| Mont-de-Marsan 26 km | Mont-de-Marsan | 27.8°C 1°C warmer | 2.1°C 1.1°C colder | 918 mm |
| Orthez 28 km | Orthez | 26.7°C about the same | 2.8°C about the same | 1,212 mm |
Serres-Gaston weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Urgons station; sunshine at Mont-de-Marsan.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.7°C | 3.2°C | 6.9°C | 96 mm | 89 |
| February | 12.1°C | 3.3°C | 7.7°C | 77 mm | 114 |
| March | 15.7°C | 5.6°C | 10.6°C | 81 mm | 165 |
| April | 17.9°C | 7.7°C | 12.8°C | 96 mm | 174 |
| May | 21.4°C | 11.2°C | 16.3°C | 94 mm | 196 |
| June | 24.7°C | 14.1°C | 19.4°C | 65 mm | 214 |
| July | 26.8°C | 15.6°C | 21.2°C | 54 mm | 233 |
| August | 27.5°C | 15.6°C | 21.5°C | 59 mm | 226 |
| September | 24.5°C | 12.7°C | 18.6°C | 77 mm | 199 |
| October | 20.2°C | 10.1°C | 15.2°C | 87 mm | 150 |
| November | 14.1°C | 6.0°C | 10.1°C | 123 mm | 97 |
| December | 11.3°C | 3.8°C | 7.5°C | 101 mm | 85 |
| Year | 18.9°C | 9.1°C | 14.0°C | 1,009 mm | 1,942 |
Where Serres-Gaston’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Urgons, 7.1 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, 28 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 Serres-Gaston’s climate
How warm does Serres-Gaston get in summer?
August is the warmest month, with average highs of 27.5°C. About 85 days a year reach 25°C, more than 77% of mainland French towns, and about 24 reach 30°C.
How cold does Serres-Gaston get in winter?
January nights average 3.2°C. The air drops to 0°C or below on about 25 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Serres-Gaston get?
About 1,009 mm a year, more than 87% of mainland French towns. November is the wettest month (123 mm) and July the driest (54 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mont-de-Marsan (28 km away), averages 1,942 hours of sunshine a year.
Are these figures for Serres-Gaston itself?
No: they are the normals of the Météo-France station matched to Serres-Gaston, Urgons, 7.1 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 URGONS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Serres-Gaston →
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.