Istron Bay weather in May 2025

Expect 23°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Istron Bay in May. Check more long-term weather averages for Istron Bay in May before you book your next holiday to Crete in 2025/2026.

  • 23°C maximum daytime temperature in May in Istron Bay23
    23°C max day temperature
  • 10 hours of sunshine per day
  • 3 days with some rainfall in May in Istron Bay3
    3 days with some rainfall
  • 14°C minimum night-time temperature in May in Istron Bay14
    14°C min night temperature
  • 14 hours of daylight per day in May in Istron Bay14
    14 hours of daylight per day
  • No heat & humidity in May in Istron Bay0
    No heat & humidity
  • 17 mm monthly rainfall in May in Istron Bay17
    17 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Istron Bay9
    9 (Very High) UV index
  • 19°C sea temperature in May in Istron Bay19
    19°C sea temperature

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The May weather guide for Crete (Istron Bay) 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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More about Crete

How hot is it in Istron Bay in May?

Daytime temperatures usually reach 23°C in Istron Bay in May, falling to 14°C at night.

How sunny is it in Istron Bay in May?

There are normally 10 hours of bright sunshine each day in Istron Bay in May - that's 71% of daylight hours.

How warm is the sea around Istron Bay in May?

The average sea temperature around Istron Bay in May is 19°C.

Does it ever rain in Istron Bay in May?

There are usually 3 days with some rain in Istron Bay in May and the average monthly rainfall is 17mm.

Istron Bay May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:26 19:03
Friday, 16th May 2025 05:12 19:15
Saturday, 31st May 2025 05:04 19:25

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