Bayonne weather in August 2026

Expect daytime maximum temperatures of 25°C 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 95 mm of rainfall in the month.

  • 25°C maximum daytime temperature in August in Bayonne25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Bayonne13
    13 days with some rainfall
  • 16°C minimum night-time temperature in August in Bayonne16
    16°C 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
  • 95 mm monthly rainfall in August in Bayonne95
    95 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Bayonne7
    7 (High) UV index
  • 22°C sea temperature in August in Bayonne22
    22°C 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Bayonne in August?

Daytime temperatures usually reach 23°C in Bayonne in August, falling to 14°C 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 50% of daylight hours.

Does it rain in Bayonne in August?

There are usually 12 days with some rain in Bayonne in August and the average monthly rainfall is 51mm.

Bayonne August sunrise & sunset times

Browse the sunrise and sunset times for Bayonne in August 2026. Select a month to view Bayonne sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 05:55 20:28
Sunday, 16th August 2026 06:12 20:08
Monday, 31st August 2026 06:28 19:43

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