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
73°F max day temperature
10
10 hours of sunshine per day
3
3 days with some rainfall
57
57°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
0.8
0.8 inches of monthly rainfall
9
9 (Very High) UV index
66
66°F sea temperature

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Destination

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)

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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Crete - quick facts
Flight time^✝	4 hours
Time difference	UK +2 hours
Language(s)	Greek
Currency	Euro
Electricity	C + F plug (230V)
Driving side	Right
Why visit?	Beaches Culture Nature
Tourist info	The Region of Crete