Biarritz Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Biarritz.

Climate overview of Biarritz

Biarritz has a temperate maritime climate. The weather in Biarritz is strongly influenced by the currents in the Bay of Biscay. This causes very unstable weather, especially during spring and autumn. During summers it is often wonderfully warm. The seawater temperature in July/August is between 21°C (70°F) and 22°C (72°F).

Biarritz is one also of the wettest cities in France. The annual precipitation averages around 1450 mm (57 in). This is more than double compared to for example Paris. The last three months of the year are the wettest period. The summer months of June, July and August are the driest months and the best month to visit Biarritz.

Biarritz Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Biarritz - and find the best time to visit.

Monthly Temperature in Biarritz

The climate in Biarritz is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in August to a moderate 13°C (55°F) in the coolest month, January.

Nights vary from 18°C (64°F) in August to around 7°C (45°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Biarritz

Biarritz has a notably wet climate with abundant precipitation, recording 1350 mm (53 in) of rainfall per year. The climate in Biarritz shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 172 mm (6.8 in) of precipitation over 16 rainy days.

In contrast, the driest month July offers drier and sunnier days, with around 72 mm (2.8 in) of rainfall over 12 rainy days. For more details, please visit our Biarritz Precipitation page.

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

Sunshine Hours in Biarritz

For those who appreciate different seasons, Biarritz serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.0 hours of sunshine daily, and embrace the darker days in December, offering only 3.0 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Humidity in Biarritz by Month

Best Time to Visit Biarritz

Conditions in Biarritz are generally most comfortable in June, July, August and September. They are typically least comfortable in January and February.

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, August and September
  • 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 Biarritz

What is the best time to visit Biarritz?

June, July, August and September typically offer the most optimal weather in Biarritz. In contrast, January and February tend to have less optimal conditions. Biarritz has warm summers and mild winters.

What temperatures can I expect in Biarritz?

Daytime highs range from 13°C (55°F) in January to 25°C (77°F) in August. Nighttime lows range from 7°C (45°F) to 18°C (64°F). Temperatures vary considerably through the year.

How much rain does Biarritz get?

Annual rainfall is around 1350 mm (53 in). November is the wettest month with 172 mm (6.8 in), while July is the driest with 72 mm (2.8 in).

How sunny is Biarritz?

Biarritz 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.

Biarritz 3-Day Forecast

Biarritz 3-Day Forecast

Biarritz on the map

Biarritz is highlighted - select any city to see its climate.

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