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Gujan-Mestras Weather and Climate: A Comprehensive Guide

Gujan-Mestras experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It receives mid-range precipitation levels. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The climate in Gujan-Mestras is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 27°C in August, the warmest time of the year, to a chilly 12°C during cooler months like February.

At night, temperatures typically drop to an average of around 6°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Gujan-Mestras receives mid-range precipitation levels, with 874 mm annually. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 100 mm of precipitation, spread over 16 rainy days.

In contrast, July experiences a drier climate, with about 51 mm of rainfall spread across 11 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Gujan-Mestras. While July receives considerable daily sunshine with up to 8.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.8 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Bordeaux, France (37 KM, 23 Miles).

Daily hours of sunshine

Data from: Bordeaux, France (37 KM, 23 Miles).

Forecast for Gujan-Mestras

Sun   Dec 22
14°C | 9°C
NW 8 m/s
1.7 mm
broken clouds and slight rain

broken clouds and slight rain

Mon   Dec 23
12°C | 6°C
N 5 m/s
partly cloudy and no rain

partly cloudy and no rain

Tue   Dec 24
14°C | 6°C
N 3 m/s
0.9 mm
overcast and slight rain

overcast and slight rain

The best time of year to visit Gujan-Mestras in France

During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Gujan-Mestras?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Gujan-Mestras?
    August has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Gujan-Mestras?
    The coldest month is February with an average maximum temperature of 12°C.
  • Which is the wettest month in Gujan-Mestras?
    November tops the wettest month list with 100 mm of rainfall.
  • Which is the driest month in Gujan-Mestras?
    July is the driest month with 51 mm of precipitation.
  • Which is the sunniest month in Gujan-Mestras?
    July is the sunniest month with an average of 249 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.