Biarritz weather in August 2025

Expect 24°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Biarritz in August. Check more long-term weather averages for Biarritz in August before you book your next holiday to France in 2025/2026.

  • 24°C maximum daytime temperature in August in Biarritz24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Biarritz13
    13 days with some rainfall
  • 16°C minimum night-time temperature in August in Biarritz16
    16°C min night temperature
  • 14 hours of daylight per day in August in Biarritz14
    14 hours of daylight per day
  • No heat & humidity in August in Biarritz0
    No heat & humidity
  • 97 mm monthly rainfall in August in Biarritz97
    97 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Biarritz7
    7 (High) UV index
  • 22°C sea temperature in August in Biarritz22
    22°C sea temperature

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The August weather guide for France (Biarritz) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Biarritz in August?

Daytime temperatures usually reach 24°C in Biarritz in August, falling to 16°C at night.

How sunny is it in Biarritz in August?

There are normally 7 hours of bright sunshine each day in Biarritz in August - that's 50% of daylight hours.

How warm is the sea around Biarritz in August?

The average sea temperature around Biarritz in August is 22°C.

Does it rain in Biarritz in August?

There are usually 13 days with some rain in Biarritz in August and the average monthly rainfall is 97mm.

Biarritz August sunrise & sunset times

Browse the sunrise and sunset times for Biarritz in August 2025. Select a month to view Biarritz sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:56 20:29
Saturday, 16th August 2025 06:12 20:08
Sunday, 31st August 2025 06:29 19:43

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