May is an ideal time to visit Heraklion if you're seeking a destination with brilliant weather. Anticipate average maximum temperatures of +73°F and about 18 sunny days, ensuring you'll have ample opportunities to soak up the sunshine. It's worth noting, though, that there may be some rainfall, with approximately 24 mm of precipitation over an average of 7 rainy days. So, prepare your sunglasses, a beach towel, and great walking shoes, as it's most likely going to be amazing weather. Search flightsin one click on Avionero.
Average weather
☀️
+73°F
Avg. max. temperature
+52°F
Min.
+97°F
Max.
24 mm
Total precipitation
63%
Avg. humidity
3 m/s
Avg. wind
18 ☀️
Sunny Days
5 ⛅️
Cloudy
7 🌦
Rainy
Our opinion: Heraklion has great weather in May.
Avionero – A better way to search for flights:
Cheapest prices on the market!
Check all your dates and date combinations in a single search!
Want inspiration, set your dates and find the cheapest destinations!
Saves your searches in the browser so you can easily return to them!
Average temperature in Heraklion in May
Here are the expected maximum, average and minimum temperatures in Heraklion for May based on the historical data.
Last Year
Historical Data
Going from a maximum of +86°F during the day to a minimum of +54°F during the night, the temperature in May averages around +72°F.
The average maximum temperature goes up 28% by the end of the month, compared with the beginning of the month, from +64°F to +73°F.
Is Heraklion warm or cold in May?
Heraklion is typically warm in May.
Maximum temperatures go up compared to the previous month from +66°F to +73°F. The minimum temperature also goes up from +55°F to +61°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how May is compared to other months in Heraklion:
Water temperature in Heraklion in May
Water in Heraklion in May is Fresh. It varies from +63°F to +70°F, with an average of +67°F.This is almost similar to the air temperature, which averages +73°F.
In May, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Heraklion are reached in August, when the average sea temperature rises to +79°F. The coldest water temperatures are in February, with an average of +61°F.
Can you swim in Heraklion in May?
Water temperature (+67°F) in Heraklion in May might be suited for short swims and acclimatized swimmers might find it refreshing.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Think of bringing a full-body or shorty wetsuit (3mm-5mm thickness) to provide insulation and maintain body heat.
Climate in Heraklion in May
Heraklion weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+66°F
+73°F
+79°F
Min. temperature
+45°F
+52°F
+57°F
Max. temperature
+93°F
+97°F
+99°F
Rainfall
39 mm
24 mm
9 mm
Wind
3 m/s
3 m/s
3 m/s
Avg. water temperature
+62°F
+67°F
+73°F
Humidity
63%
63%
60%
Air pressure
1012 HPa
1012 HPa
1011 HPa
Sunny days
13
18
25
Cloudy days
7
5
1
Rainy days
8
7
3
Snowy days
0
0
0
May often has better weather than April.It’s getting warmer as May arrives. The average maximum temperature goes up from +66°F to +73°F during the day.As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 39 mm to 24 mm.Humidity levels don’t change as the month goes on, averaging around 63%.The average wind speed doesn’t change much during May, staying around 3 m/s.The good news is there are likely to be more sunny days in May, from 13 to 18.
June brings much the same weather, it remains great.
Wind speed in Heraklion in May based on historical data.
Last Year
Historical Data
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Heraklion is gradually increasing during May, going from 1 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Heraklion based on historical data.
Last Year
Historical Data
Typically, there is a 48% chance of rain on an average day in May, with total rainfall of approximately 71 mm. The maximum amount of rainfall per day is around 17 mm, which is considered light rain.May is a pretty wet month with over 15 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Heraklion wettest month is January, where a typical day has a 48% chance of precipitation and 92 mm of rainfall per day. July, on the other hand, is the driest month with a mere 3% chance of precipitation and 4 mm of rainfall per day.
How was the weather last May in Heraklion?
This is the weather in Heraklion in May 2023:
1 May
🌧️
+64°F
2 May
☁️
+70°F
3 May
☁️
+75°F
4 May
🌧️
+71°F
5 May
🌧️
+68°F
6 May
🌧️
+64°F
7 May
☀️
+68°F
8 May
☀️
+71°F
9 May
☀️
+73°F
10 May
☁️
+68°F
11 May
☁️
+64°F
12 May
☀️
+66°F
13 May
☀️
+69°F
14 May
☀️
+71°F
15 May
☀️
+85°F
16 May
☁️
+82°F
17 May
☀️
+72°F
18 May
☀️
+72°F
19 May
☀️
+71°F
20 May
☀️
+73°F
21 May
☁️
+70°F
22 May
☁️
+71°F
23 May
☁️
+71°F
24 May
☀️
+71°F
25 May
☀️
+73°F
26 May
☀️
+71°F
27 May
🌧️
+70°F
28 May
☀️
+75°F
29 May
☀️
+72°F
30 May
☀️
+73°F
31 May
🌧️
+73°F
In May 2023 Heraklion had 17 sunny days, 8 cloudy days, and 6 rainy days. The average maximum temperature was +72°F, with an absolute maximum of +86°F and a minimum of +64°F. The average humidity was 75%, with a maximum of 100% and a minimum of 36%. The average wind speed was 4 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Heraklion climate has changed over the last 43 years.
The climate in Heraklion in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+68°F) and the highest in 2023 (+73°F). The driest year was 1990 with only 234 mm of rainfall, and the wettest year was 2019 with 1122 mm.
FAQ
Frequently asked questions about the weather in Heraklion in May:
Is May a good time to visit Heraklion?
Yes, May is a great time to go to Heraklion, the weather couldn’t be better. Be ready to get outside, explore and enjoy. Check what other months that are a good time to visit Heraklion.
Can you sunbathe in Heraklion in May?
May is warm in Heraklion. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Can you swim in Heraklion in May?
In general, you can swim in Heraklion in May, if you want to, at an average water temperature of +67°F. But it will feel quite cool, and some precautions are necessary to ensure your comfort and safety.
Is Heraklion rainy in May?
Heraklion is usually dry in May. Plan your packing around outdoor activities and exploring.
Is it sunny in Heraklion in May?
The amount of sunny days in Heraklion during May varies; prepare for a mix of clouds and sun.
For this page, we’ve looked at the typical weather in Heraklion, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
