Bayonne weather in May 2025

Expect 19°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Bayonne in May. Check more long-term weather averages for Bayonne in May before you book your next holiday to France in 2025/2026.

  • 19°C maximum daytime temperature in May in Bayonne19
    19°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in May in Bayonne17
    17 days with some rainfall
  • 11°C minimum night-time temperature in May in Bayonne11
    11°C min night temperature
  • 15 hours of daylight per day in May in Bayonne15
    15 hours of daylight per day
  • No heat & humidity in May in Bayonne0
    No heat & humidity
  • 109 mm monthly rainfall in May in Bayonne109
    109 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Bayonne7
    7 (High) UV index
  • 16°C sea temperature in May in Bayonne16
    16°C sea temperature

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The May 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 May?

Daytime temperatures usually reach 19°C in Bayonne in May, falling to 11°C at night.

How sunny is it in Bayonne in May?

There are normally 7 hours of bright sunshine each day in Bayonne in May - that's 44% of daylight hours.

How warm is the sea around Bayonne in May?

The average sea temperature around Bayonne in May is 16°C.

Does it rain in Bayonne in May?

There are usually 17 days with some rain in Bayonne in May and the average monthly rainfall is 109mm.

Bayonne May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:59 20:08
Friday, 16th May 2025 05:40 20:25
Saturday, 31st May 2025 05:28 20:39

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