Wet weather: 1,101 mm a year falls on Saint-Julien-en-Born, more than on 92% of mainland French towns
January mornings start at about 2.5°C. Rain peaks in November and eases off in July. Warm afternoons come more often than in 80% of mainland French towns. Plan for rain on about 133 days a year, the days with 1 mm or more.
Figures from Météo-France’s Sabres station, 32 km east: at that distance, read them as the area’s climate rather than the town’s.
A year in Saint-Julien-en-Born at a glance
Each month’s typical high and low in °C, at the Sabres station.
What a year in Saint-Julien-en-Born feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Sabres.
About 1,101 mm of rain a year
November is the wettest month and July the driest. About 37 days a year bring 10 mm or more. 24th wettest of 35 towns of 2,500+ in Landes.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Biscarrosse
42 frosts and 89 days of 25°C a year
On about 42 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 89 days a year reach 25°C, and 31 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Sabres: 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 Sabres
Sabres is 32 km east of Saint-Julien-en-Born. Every figure on this page is the station’s, not a measurement in Saint-Julien-en-Born itself.
| Station (Météo-France number) | Sabres (40246003) |
| Distance from the town | 32 km east |
| Station altitude | 81 m |
| Town altitude (its center) | 9 m |
| Period | 1995–2020 (the station’s own record) |
| Nearest station of any kind | 29 km |
| Sunshine measured at | Biscarrosse, 40 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 Saint-Julien-en-Born 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 |
|---|---|---|---|---|
| Saint-Julien-en-Born | Sabres | 27.2°C | 2.5°C | 1,101 mm |
| Mimizan 15 km | Biscarrosse | 25.0°C 2.2°C cooler | 5.0°C 2.5°C milder | 852 mm |
| Castets 22 km | Dax | 26.9°C about the same | 3.3°C 0.8°C milder | 1,155 mm |
| Morcenx-la-Nouvelle 26 km | same station | 27.2°C about the same | 2.5°C about the same | 1,101 mm |
Saint-Julien-en-Born weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Sabres station; sunshine at Biscarrosse.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.9°C | 2.5°C | 6.7°C | 107 mm | 97 |
| February | 12.5°C | 2.2°C | 7.4°C | 84 mm | 120 |
| March | 16.1°C | 4.1°C | 10.1°C | 82 mm | 180 |
| April | 18.6°C | 6.6°C | 12.6°C | 95 mm | 198 |
| May | 22.0°C | 10.0°C | 16.0°C | 87 mm | 232 |
| June | 25.4°C | 13.1°C | 19.3°C | 76 mm | 243 |
| July | 27.2°C | 14.5°C | 20.8°C | 64 mm | 261 |
| August | 27.6°C | 14.3°C | 21.0°C | 67 mm | 252 |
| September | 25.0°C | 11.1°C | 18.0°C | 83 mm | 212 |
| October | 20.7°C | 8.9°C | 14.8°C | 104 mm | 150 |
| November | 14.3°C | 5.0°C | 9.7°C | 136 mm | 104 |
| December | 11.3°C | 2.8°C | 7.1°C | 115 mm | 89 |
| Year | 19.3°C | 7.9°C | 13.6°C | 1,101 mm | 2,137 |
Where Saint-Julien-en-Born’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Sabres, 32 km away: statistics for 1991–2020 (the station’s own years, 1995–2020, where its record is shorter).
- 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, Biscarrosse, 40 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 Saint-Julien-en-Born’s climate
How warm does Saint-Julien-en-Born get in summer?
August is the warmest month, with average highs of 27.6°C. About 89 days a year reach 25°C, more than 80% of mainland French towns, and about 31 reach 30°C.
How cold does Saint-Julien-en-Born get in winter?
February nights average 2.2°C. The air drops to 0°C or below on about 42 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Saint-Julien-en-Born get?
About 1,101 mm a year, more than 92% of mainland French towns. November is the wettest month (136 mm) and July the driest (64 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Biscarrosse (40 km away), averages 2,137 hours of sunshine a year.
Are these figures for Saint-Julien-en-Born itself?
No: they are the normals of the Météo-France station matched to Saint-Julien-en-Born, Sabres, 32 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 SABRES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Julien-en-Born →
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.