2026 Climate Averages

Weather: Heraklion — May

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

🌟 Climate Overview

May is an excellent time to visit Heraklion. Warm weather with highs of 27°C—great for outdoor activities. Temperatures vary significantly between day and night—layering is recommended. As peak season, expect higher prices and more tourists. Sea temperature of 20°C is refreshing but swimmable.

7.7
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

27°C

Avg Low

17°C

Rainy days

5days

Daylight

14h

Rainfall

31mm

Sunshine

12.4h/day

Humidity

62%

Moderate
Sun Strength

10.2

Extreme
Wind

13 km/h (gusts 37)

Sea Temp

20°C 💧 Refreshing

Is May a good time to visit Heraklion?

The weather is near-perfect with ideal temperatures and minimal rain.

Now

--

Feels like --
Wind --
Humidity --
UV Index --
Local time

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Shoulder Rates

Daylight

Sunrise

06:16

Sunset

20:17

14h daylight

Visiting Heraklion in May: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Minimal rainfall — great for outdoor plans
  • Abundant sunshine for beach and outdoor fun
  • Long daylight hours maximize sightseeing time
  • One of the best months to visit

Cons

  • Peak season — expect crowds and higher prices
  • Very high UV — sunscreen and shade essential

Things to Do in May

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🏖️ Beach relaxation & sunbathing
🥾 Hiking & nature trails
🍜 Food tours & culinary experiences
🎭 Cultural tours & local experiences

Heraklion Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 17°C 11°C 11d (56mm) 8.3h
80% Very Humid
3.9 Moderate
Good
Feb 17°C 10°C 9d (50mm) 9.2h
78% Humid
5.2 High
Good
Mar 19°C 11°C 9d (58mm) 10.3h
73% Humid
7.1 Very High
Good
Apr 23°C 13°C 6d (33mm) 11.4h
68% Humid
9 Very High
Good
May Current 27°C 17°C 5d (31mm) 12.4h
62% Moderate
10.2 Extreme
Excellent
Jun 30°C 22°C 2d (12mm) 13.2h
60% Moderate
11.4 Extreme
Excellent
Jul 32°C 25°C 1d (8mm) 13h
59% Moderate
11.4 Extreme
Good
Aug 32°C 24°C 2d (13mm) 12.5h
63% Moderate
10.1 Extreme
Good
Sep 30°C 22°C 3d (16mm) 11.3h
68% Muggy
8.2 Very High
Excellent
Oct 26°C 18°C 4d (42mm) 9.8h
75% Humid
6 High
Excellent
Nov 22°C 15°C 6d (37mm) 8.8h
78% Humid
4.2 Moderate
Good
Dec 19°C 12°C 11d (57mm) 8.1h
82% Very Humid
3.4 Moderate
Good

⚖️Find Your Ideal Month

Adjust the sliders to weight what matters most to you.

5
3
3
Your Best MonthMarScore: 7.5

Where to Stay

See hotels, apartments & rentals around Heraklion – live prices from Booking.com, Expedia, Vrbo and more

Heraklion

Minoan palace ruins with Knossos Palace and Heraklion Archaeological Museum, fortress walls, and access to Crete's beaches.

View Full Destination Guide

What to Pack for May

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Pack a compact umbrella or light rain jacket for occasional showers. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Warm Very Busy

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Heraklion?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is May a good time to visit Heraklion?
May is typically excellent for visiting Heraklion, with average highs of 27°C and around 5 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Heraklion in May?
Evenings in Heraklion during May are mild at 17°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Heraklion in May?
With highs of 27°C and lows of 17°C in May, we recommend: Lightweight breathable clothes, Sunscreen SPF 30+, Sun hat, Sunglasses. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Heraklion in May?
Heraklion typically sees around 5 rainy days in May. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Heraklion in May?
Yes, May is excellent for swimming in Heraklion! With warm air temperatures around 27°C, the water is comfortable for extended beach sessions. This is peak beach season, so arrive early to secure a good spot at popular beaches.
How many hours of daylight are there in Heraklion in May?
In May, Heraklion gets approximately 14 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is May peak season in Heraklion?
Yes, May is peak season in Heraklion. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Athens)

Last Updated: February 2026