Gujan-Mestras in Winter
In winter (December, January and February), Gujan-Mestras sees average daytime highs around 11°C and overnight lows near 5°C, with 201 mm of precipitation over about 33 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 11°C. The sky is clear or mostly clear about 21% of the time across winter, and the air most often feels dry.
Winter is Gujan-Mestras's weakest season of the year to visit on our travel score. For the whole year in context, see Gujan-Mestras's year-round climate.
- Avg daytime high
- 11°C
- coldest season of the year
- Avg overnight low
- 5°C
- Precipitation
- 201 mm
- 33 wet days
- Avg wind
- 12 km/h
- Travel score
- 2.6
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Gujan-Mestras in Winter
Across winter, daytime highs hold fairly steady around 11°C.
A typical winter day in Gujan-Mestras reaches about 11°C and drops to 5°C overnight. The warmest of the three months is February, the coolest February.
Gujan-Mestras weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 10° / 5° | 72 | 11.5 | 9 | 2.3 |
| Feb | 11° / 5° | 52 | 9.4 | 10.1 | 2.8 |
| Mar | 14° / 7° | 54 | 10.7 | 11.6 | 4.2 |
| Apr | 17° / 9° | 66 | 12 | 13.2 | 5.0 |
| May | 20° / 13° | 70 | 11.6 | 14.6 | 6.0 |
| Jun | 23° / 16° | 63 | 9.3 | 15.3 | 7.0 |
| Jul | 25° / 18° | 46 | 7.8 | 15 | 7.3 |
| Aug | 26° / 18° | 53 | 8 | 13.9 | 7.3 |
| Sep | 23° / 15° | 63 | 9 | 12.3 | 7.0 |
| Oct | 19° / 12° | 73 | 10.6 | 10.7 | 5.9 |
| Nov | 14° / 8° | 88 | 12.5 | 9.4 | 3.7 |
| Dec | 11° / 6° | 77 | 11.8 | 8.7 | 2.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 21% of the time across winter.
Chance of precipitation in Winter
Gujan-Mestras gets around 201 mm of rain and snow over 33 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 12 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 8 h 54 min in early December to 10 h 48 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 1.7 kWh/m².
Is winter a good time to visit Gujan-Mestras?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Gujan-Mestras.
What to pack for Gujan-Mestras in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Gujan-Mestras sees daytime highs around 11°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 33 days see rain.
Sea temperature near Gujan-Mestras in Winter
The nearest coast averages about 13°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 24 km away) is warmest in August at about 22°C and coldest in February near 12°C.
It's comfortable for a long swim from Jul 7 to Sep 18 — about 2.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 12 | 12 | 13 | 16 | 18 | 21 | 22 | 20 | 18 | 16 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 12 | Bracing |
| Mar | 12 | Bracing |
| Apr | 13 | Bracing |
| May | 16 | Cool |
| Jun | 18 | Cool |
| Jul | 21 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 20 | Refreshing |
| Oct | 18 | Cool |
| Nov | 16 | Cool |
| Dec | 14 | Bracing |
UV index in Gujan-Mestras in Winter
Clear-sky midday UV across winter averages around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Gujan-Mestras peaks around July 18 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 6 | 7 | 8 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Gujan-Mestras?
Gujan-Mestras sits at 44.6°N, 1.1°W, 5 m above sea level, in France. The nearest listed city is La Teste-de-Buch, 6.0 km away.
Topography around Gujan-Mestras
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gujan-Mestras.
Within 3 km, the terrain around Gujan-Mestras has only modest variations in elevation — a maximum elevation change of 26 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 96 m; within 80 km, only modest variations in elevation — a maximum elevation change of 149 m.
The land around Gujan-Mestras is covered by water (28%), trees (27%) and artificial surfaces (27%) within 3 km, trees (49%) and water (23%) within 16 km, and trees (44%), water (26%) and grassland (20%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Gujan-Mestras (44.636°, -1.0681°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.