Biarritz weather in August 2025

Expect daytime maximum temperatures of 75°F in Biarritz, France in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 3.8 inches of rainfall in the month.

  • 75°F maximum daytime temperature in August in Biarritz75
    75°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Biarritz13
    13 days with some rainfall
  • 61°F minimum night-time temperature in August in Biarritz61
    61°F 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
  • 3.8 inches monthly rainfall in August in Biarritz3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Biarritz7
    7 (High) UV index
  • 72°F sea temperature in August in Biarritz72
    72°F 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)  |  Imperial (°F)

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More about France

How hot is it in Biarritz in August?

Daytime temperatures usually reach 75°F in Biarritz in August, falling to 61°F 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 72°F.

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 3.8 inches.

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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