June weather forecast
Heraklion, Greece

In Heraklion, June establishes the advent of summer with soaring temperatures and an abundance of sunshine. It is the first month when the temperatures go notably high, reaching an average high of 27.3°C (81.1°F). Compared to May, rainfall becomes rare, with June being one of the driest months. Beach days become increasingly popular, with sea temperatures reaching favorable levels. As the city transitions into July, be prepared for the height of summer with climbing temperatures.

Temperature

The arrival of June in Heraklion introduces a minor uplift in high-temperatures, adjusting from 23.5°C (74.3°F) in May to a still warm 27.3°C (81.1°F). During the nights in June, Heraklion observes an average low-temperature of 20°C (68°F).

Rainfall

In Heraklion, in June, during 0.5 rainfall days, 3mm (0.12") of precipitation is typically accumulated. Throughout the year, there are 53.2 rainfall days, and 501mm (19.72") of precipitation is accumulated.

Sea temperature

In June, the average sea temperature is 22.9°C (73.2°F).
Note: People sensitive to cold might find swimming in 22.9°C (73.2°F) challenging. However, conditions like sunshine, wind, and ambient temperature play a significant role in the overall comfort. Wetsuits, while optional, might be beneficial.

Daylight

The month with the longest days in Heraklion is June, with an average of 14h and 30min of daylight.
On the first day of June, sunrise is at 06:05 and sunset at 20:29. On the last day of the month, sunrise is at 06:07 and sunset at 20:38 EEST.

Sunshine

The average sunshine in June in Heraklion, Greece, is 11.7h.

UV index

The average daily maximum UV index in June is 10. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 10 in June translates into these instructions:
Without adequate protection, skin and eyes might suffer damage. Ensure precautions are in place. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Protect your skin by minimizing time under direct sun, especially if you’re prone to burns. Always wear sunscreen of 30 SPF or higher. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.