Heraklion
Greece
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Heraklion, Greece

The Venetian walls and the Castle of Koule in the shipyards at Heraklion, Greece
The Venetian walls and the Castle of Koule in the shipyards at Heraklion, Greece
The last month of the summer, August, is another warm month in Heraklion, Greece, with average temperature varying between 22.7°C (72.9°F) and 28.4°C (83.1°F).
An excellent water temperature of 26.1°C (79°F) and only 0.1 rainfall days, with 0.7mm (0.03") of accumulated rainfall, makes August a prime for swimming and other water activities.

Temperature

In Heraklion, the average high-temperature is practically the same as in July - a still warm 28.4°C (83.1°F). In Heraklion, the average low-temperature is 22.7°C (72.9°F).

Rainfall

The month with the least rainfall in Heraklion, Greece, is August when the rain falls for 0.1 days and typically collects 0.7mm (0.03") of precipitation.

Sea temperature

The month with the warmest seawater in Heraklion, Greece, is August, with an average sea temperature of 26.1°C (79°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In August, the average length of the day is 13.5h.

Sunshine

The average sunshine in August is 11.2h.

UV index

The average daily maximum UV index in August is 10. A UV Index value of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 10 transform into the following instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in August in Heraklion?

The average high-temperature, in August, is 28.4°C (83.1°F), while the average low-temperature is 22.7°C (72.9°F).

How many days does it rain in August in Heraklion?

In August, in Heraklion, the rain falls for 0.1 days. Throughout August, 0.7mm (0.03") of precipitation is accumulated.

What is the driest month in Heraklion?

August is the month with the least rainfall in Heraklion, Greece. Rain falls for 0.1 days and accumulates 0.7mm (0.03") of precipitation.

What is the month with the warmest sea water in Heraklion?

August is the month with the warmest seawater, with an average sea temperature of 26.1°C (79°F).

What is the water temperature in August in Heraklion?

In Heraklion, the average seawater temperature in August is 26.1°C (79°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in August in Heraklion?

In Heraklion, Greece, the average length of the day in August is 13.5h.

How many hours of sunshine does Heraklion have in August?

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

What is the UV index reading in August in Heraklion?

In August, the average daily maximum UV index is 10. A UV Index reading of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in August - Heraklion, Greece
  • Average high temperature in August: 28.4°C

The warmest month (with the highest average high temperature) is July (28.6°C).
The month with the lowest average high temperature is January (15.2°C).

  • Average low temperature in August: 22.7°C

Months with the highest average low temperature are July and August (22.7°C).
Coldest months (with the lowest average low temperature) are January and February (10°C).

Average rainfall in August - Heraklion, Greece
  • Average rainfall in August: 0.7mm

The wettest month (with the highest rainfall) is January (91.5mm).
The driest month (with the lowest rainfall) is August (0.7mm).

Average rainfall days in August - Heraklion, Greece
  • Average rainfall days in August: 0.1 days

The month with the highest number of rainy days is January (10.1 days).
Months with the lowest number of rainy days are July and August (0.1 days).

Average sea temperature in August - Heraklion, Greece
  • Average sea temperature in August: 26.1°C

The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest month (with the lowest average sea temperature) is February (16.4°C).

Average daylight in August / Average sunshine in August - Heraklion, Greece
  • Average daylight in August: 13.5h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in August: 11.2h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is January (Average sunshine: 3.8h).

Average UV index in August - Heraklion, Greece
  • Average UV index in August: 10

The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).