Climate Insights for Heraklion

The climate in Heraklion is warm and mild. The average annual temperature is 18°C and approximately 440 mm of precipitation falls per year. December is the wettest month, receiving around 64 mm of rainfall. Heraklion is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, March, when temperatures can drop to 8°C.The climate in Heraklion is warm and mild. The average annual temperature is 65°F and approximately 17.3 in of precipitation falls per year. December is the wettest month, receiving around 2.5 in of rainfall. Heraklion is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, March, when temperatures can drop to 46°F.

Temperatures in Heraklion vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 8°C and an average of 11°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between May and June, with a 4°C shift in average temperatures.Temperatures in Heraklion vary considerably across the year, with a 40°F difference between the coldest and warmest months. The warmest month is July, when average highs reach 86°F and the mean temperature sits around 79°F. January is the coolest month, with minimum temperatures around 46°F and an average of 51°F. Daily temperature variation is modest, with an average difference of 14°F between highs and lows. The sharpest temperature change occurs between May and June, with a 7°F shift in average temperatures.

Heraklion is a relatively dry area, receiving approximately 440 mm of precipitation annually, which averages out to around 37 mm per month. The wettest month is December, averaging 64 mm of rainfall. January and March also tend to see above-average precipitation. The driest month is July, with just 11 mm. That's 52 mm less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Heraklion is a relatively dry area, receiving approximately 17.3 in of precipitation annually, which averages out to around 1.5 in per month. The wettest month is December, averaging 2.5 in of rainfall. January and March also tend to see above-average precipitation. The driest month is July, with just 0.4 in. That's 2 in less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Heraklion is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Heraklion is mildly breezy, with an average annual wind speed of 6mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 7mph, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

The best time to visit Heraklion is during April, May, June, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 30 mm per month. By contrast, July can be uncomfortably hot with highs reaching 30°C, while January is the coldest period with lows dropping to 8°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Heraklion is during April, May, June, September, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 67°F with modest rainfall averaging 1.2 in per month. By contrast, July can be uncomfortably hot with highs reaching 86°F, while January is the coldest period with lows dropping to 46°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Heraklion based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Heraklion based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.