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When is the best time to visit Heraklion?
In general the best time to visit Heraklion is probably May, June, July, August, September, when the weather is usually great. The hottest months are July, August, September, while the coldest months are January, February, March.
Depending on the activities you want to experience, you may choose different months to visit:
- The best time for a sun tanning holiday is July, August, September. Average maximum temperatures are up to +82°F in August and it has 29 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during April - November.
- If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in Heraklion in different months
This is the average weather in Heraklion for each month based on historic data:
In May, June, July, August, September the weather is great. There are an average of 29 sunny days in July and the temperature ranges from +73°F to +82°F.
March, April, October, November usually has good weather. Average maximum temperature reaches +73°F during October.
In January, February, December the weather is average. Expect around 43 rainy days, and the precipitation amounts to approximately 92 mm in January.
Climate in Heraklion
Here is the detailed breakdown of the climate in Heraklion for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +77°F | +75°F | +84°F | +93°F | +97°F | +99°F | +100°F | +104°F | +99°F | +91°F | +91°F | +79°F |
| Average Maximum Temperature | |||||||||||
| +57°F | +57°F | +61°F | +66°F | +73°F | +79°F | +82°F | +82°F | +79°F | +73°F | +66°F | +61°F |
| Minimum Temperature | |||||||||||
| +32°F | +32°F | +36°F | +45°F | +52°F | +57°F | +64°F | +68°F | +57°F | +54°F | +45°F | +39°F |
| Avg. water temperature | |||||||||||
| +65°F | +63°F | +63°F | +65°F | +70°F | +76°F | +81°F | +82°F | +79°F | +77°F | +71°F | +67°F |
| Humidity, % | |||||||||||
| 69 | 68 | 66 | 63 | 63 | 60 | 59 | 62 | 64 | 67 | 69 | 70 |
| Rain, mm | |||||||||||
| 92 | 87 | 70 | 39 | 24 | 9 | 4 | 5 | 17 | 47 | 64 | 89 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 4 | 4 | 4 | 3 | 3 | 3 | 4 | 4 | 3 | 3 | 4 | 4 |
| Sunny Days | |||||||||||
| 4 | 4 | 8 | 13 | 18 | 25 | 29 | 29 | 22 | 12 | 6 | 4 |
| Cloud Days | |||||||||||
| 10 | 8 | 9 | 7 | 5 | 1 | 1 | 1 | 3 | 9 | 11 | 10 |
| Rainy Days | |||||||||||
| 15 | 14 | 12 | 8 | 7 | 3 | 1 | 1 | 4 | 7 | 10 | 14 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Here are the average maximum and minimum temperatures in Heraklion during the whole year:
The hottest month in Heraklion is August with average maximum temperature going up to +82°F. The coldest month is January with the lowest temperatures of +50°F.
Water temperature
Here are the water temperatures in Heraklion during the whole year:
Heraklion achieves its warmest water temperature in August, where the average sea temperature goes up to +79°F. Coldest water temperature is in February with +61°F in average.
When can you swim in Heraklion?
You can swim in Heraklion from June to October:
- In July - September the water is warm (77°F - 82°F);
- In June the water is comfortable (70°F - 77°F);
Humidity
The temperature feels different depending on humidity. Here is how humidity in Heraklion looks throughout the year, in %:
The most humid month in Heraklion is December with average humidity going up to 70%. The least humid month is July with an average humidity of 59%.
Rain
Amount of rainfall in mm. in Heraklion during the whole year based on historical data:
The sunniest and driest month is July with approximately 29 sunny days and a total precipitation of around 4 mm. The rainiest and wettest month is January with approximately 15 rainy days and 92 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Heraklion:
What is the hottest month in Heraklion?
The hottest month in Heraklion is August with average maximum temperature of +82°F.
What is the coldest month in Heraklion?
The coldest month in Heraklion is January with minimum temperatures of +50°F.
Is Heraklion worth visiting in winter?
Winter in Heraklion could be a good time to visit, as the weather is generally ok.
When does it rain the least in Heraklion?
if you're looking to visit Heraklion when it rains the least, you should plan your trip for January, December, February. During this time, rainfall is rare with the driest month being July with only 4 mm of rain.
Other cities in Greece
Check out the weather for other cities in Greece.
Monthly weather in Heraklion
Source of the data
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.