Guéthary Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Guéthary.
Climate overview of Guéthary
Temperatures in Guéthary, Aquitaine, France, vary greatly throughout the year. August is the hottest month at 25°C (77°F), while January is the coldest at 13°C (55°F).
Rainfall is high, totalling around 1387 mm (55 in) per year. November is the wettest month and July the driest. The city also experiences warm summers and mild winters. The sunniest month is July, with 7.0 hours of sunshine per day on average.
Guéthary Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guéthary - and find the best time to visit.
Monthly Temperature in Guéthary
The climate in Guéthary is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in August, the warmest time of the year, to a moderate 13°C (55°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in August to around 6°C (43°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Guéthary
Guéthary has a notably wet climate with abundant precipitation, recording 1387 mm (55 in) of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 171 mm (6.7 in) of precipitation, recorded across 16 rainy days. In contrast, the driest month July brings less rainfall, with 77 mm (3 in) over 12 rainy days. For more details, please visit our Guéthary Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Guéthary
Seasonal changes in sunshine hours are quite dramatic in Guéthary. While July receives considerable daily sunshine with up to 7.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.0 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Guéthary by Month
The relative humidity is high throughout the year in Guéthary.
The city experiences its highest humidity in June, reaching 81%. In March, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Guéthary
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: June, July and August
- Fewer rainy days: June, July, August, September and October
- Seasonal pattern: Warm summers and mild winters
Frequently asked questions about the climate in Guéthary
What is the best time to visit Guéthary?
June, July and August typically offer the most optimal weather in Guéthary. In contrast, January, February and December tend to have less optimal conditions. Guéthary has warm summers and mild winters.
What temperatures can I expect in Guéthary?
Daytime highs range from 13°C (55°F) in January to 25°C (77°F) in August. Nighttime lows range from 6°C (43°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Guéthary get?
Annual rainfall is around 1387 mm (55 in). November is the wettest month with 171 mm (6.7 in), while July is the driest with 77 mm (3 in).
How sunny is Guéthary?
Guéthary receives around 1,895 hours of sunshine per year. July is the sunniest month with 211 hours, while December is the cloudiest with just 89 hours.
Guéthary 3-Day Forecast
Guéthary 3-Day Forecast
Guéthary on the map
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