Bayonne weather in August 2025

Expect daytime maximum temperatures of 77°F in Bayonne, 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 3.7 inches of rainfall in the month.

  • 77°F maximum daytime temperature in August in Bayonne77
    77°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Bayonne13
    13 days with some rainfall
  • 61°F minimum night-time temperature in August in Bayonne61
    61°F min night temperature
  • 14 hours of daylight per day in August in Bayonne14
    14 hours of daylight per day
  • No heat & humidity in August in Bayonne0
    No heat & humidity
  • 3.7 inches monthly rainfall in August in Bayonne3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Bayonne7
    7 (High) UV index
  • 72°F sea temperature in August in Bayonne72
    72°F sea temperature

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The August weather guide for France (Bayonne) 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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How hot is it in Bayonne in August?

Daytime temperatures usually reach 77°F in Bayonne in August with no heat and humidity, falling to 61°F at night.

How sunny is it in Bayonne in August?

There are normally 7 hours of bright sunshine each day in Bayonne in August - that's 52% of daylight hours.

How warm is the sea around Bayonne in August?

The average sea temperature around Bayonne in August is 72°F.

Does it rain in Bayonne in August?

There are usually 13 days with some rain in Bayonne in August and the average monthly rainfall is 3.7 inches.

Bayonne August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:56 20:28
Saturday, 16th August 2025 06:12 20:07
Sunday, 31st August 2025 06:29 19:43

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