August weather forecast
Heraklion, Greece

In August, Heraklion remains in the throes of summer, characterized by high temperatures, abundant sunshine, and minimal rainfall. Heat conditions stay close to July's frame, with the average high barely decreasing to 28.4°C. The number of sunshine hours remains consistent with the preceding months, providing an ample amount of time for outdoor explorations. Water temperatures are inviting, and sun protection remains essential. As the city transitions into September, a gradual reduction in daylight hours and temperature becomes noticeable.

Temperature

August's onset in Heraklion brings an average high-temperature of a still warm 28.4°C, showing a minute difference from July's 28.6°C. During August, Heraklion experiences an average low-temperature of 22.7°C at night.

Rainfall

The month with the least rainfall is August, when the rain falls for 0.1 days and typically collects 1mm of precipitation.

Sea temperature

August is the month with the warmest seawater, with an average sea temperature of 26.1°C.
Note: Water temperatures between 25°C and 29°C are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

The average length of the day in August in Heraklion is 13h and 28min.
On the first day of the month, sunrise is at 06:27 and sunset at 20:23. On the last day of August, in Heraklion, sunrise is at 06:50 and sunset at 19:48 EEST.

Sunshine

In Heraklion, the average sunshine in August is 11.2h.

UV index

In Heraklion, the average daily maximum UV index in August is 10. A UV Index reading of 8 to 10 represents a very high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 10 in August interprets into the following recommendations:
Taking safety measures is non-negotiable; skin and eyes can be swiftly affected if neglected. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Use liberally and reapply a broad-spectrum sunscreen with at least SPF 30 every two hours and right after outdoor activities or a swim. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.