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Heraklion in May
The weather in May
In May, Heraklion averages daytime highs of 24° and night-time lows of 16° — warm weather by day. Expect around 16 mm of precipitation spread over about 4 wet days, with average cloud cover near 16%.
Days are 3.7° warmer than in April on average, and June is warmer again by about 3.8°. The sea averages 19°, bracing but swimmable.
May scores 90/100 — excellent conditions for sightseeing — and ranks 1st of the twelve months for Heraklion.
Around the middle of the month the sun rises at 06:16 and sets at 20:17 local time, giving 14 h 01 min of daylight. Days lengthen by 46 minutes over the month.
In May, Saharan dust hazes the sky fairly often.
Why 90/100?
How the score for May is builtBeach score this month: 73/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Heraklion this month
Greece's best in May
Heraklion in May: quick answers
Is May a good time to visit Heraklion?
May scores 90/100 for Heraklion, which we rate as excellent. Average highs are 24°C with 4 wet days.
How warm is Heraklion in May?
Daytime highs average 24°C and night-time lows 16°C in May.
Does it rain a lot in Heraklion in May?
Heraklion receives about 16 mm of precipitation in May, falling on around 4 days.
Can you swim in Heraklion in May?
The sea averages 19°C in May, refreshing but swimmable.