Heraklion weather in May 2025

Expect 73°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Heraklion in May. Check more long-term weather averages for Heraklion in May before you book your next holiday to Crete in 2025/2026.

  • 73°F maximum daytime temperature in May in Heraklion73
    73°F max day temperature
  • 10 hours of sunshine per day
  • 3 days with some rainfall in May in Heraklion3
    3 days with some rainfall
  • 57°F minimum night-time temperature in May in Heraklion57
    57°F min night temperature
  • 14 hours of daylight per day in May in Heraklion14
    14 hours of daylight per day
  • No heat & humidity in May in Heraklion0
    No heat & humidity
  • 0.8 inches monthly rainfall in May in Heraklion0.8
    0.8 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Heraklion9
    9 (Very High) UV index
  • 66°F sea temperature in May in Heraklion66
    66°F sea temperature

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The May weather guide for Crete (Heraklion) 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 Crete

How hot is it in Heraklion in May?

Daytime temperatures usually reach 73°F in Heraklion in May, falling to 57°F at night.

How sunny is it in Heraklion in May?

There are normally 10 hours of bright sunshine each day in Heraklion in May - that's 69% of daylight hours.

How warm is the sea around Heraklion in May?

The average sea temperature around Heraklion in May is 66°F.

Does it ever rain in Heraklion in May?

There are usually 3 days with some rain in Heraklion in May and the average monthly rainfall is 0.8 inches.

Heraklion May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:28 19:06
Friday, 16th May 2025 05:14 19:18
Saturday, 31st May 2025 05:06 19:29

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