August weather forecast
Ermoupoli, Greece

The last month of the summer, August, is also a moderately hot month in Ermoupoli, Greece, with an average temperature fluctuating between 21°C (69.8°F) and 27°C (80.6°F).
The ideal sea water temperature of 25.8°C (78.4°F) and only 1 rainfall days, with 2mm (0.08") of accumulated rainfall, makes August the best time for swimming and other water activities.

Temperature

With the advent of August, Ermoupoli experiences an average high-temperature of a still warm 27°C (80.6°F), mirroring a close resemblance to the previous month. In the month of August, the temperature in Ermoupoli, Greece, generally rests at an average low of 21°C (69.8°F).

Rainfall

July and August are months with the least rain in Ermoupoli when the rain falls for 1 days and typically aggregates up to 2mm (0.08") of rain.

Sea temperature

With an average sea temperature of 25.8°C (78.4°F), August is the month with the warmest seawater in Ermoupoli.
Note: Between the temperatures of 25°C (77°F) and 29°C (84.2°F), water is considered very warm, providing pleasure in water activities without discomfort over lengthy periods.

Daylight

In August, the average length of the day is 13h and 34min.
On the first day of August, sunrise is at 06:24 and sunset at 20:28. On the last day of the month, sunrise is at 06:50 and sunset at 19:50 EEST.

Sunshine

In Ermoupoli, the average sunshine in August is 13h.

UV index

In Ermoupoli, the average daily maximum UV index in August is 9. A UV Index reading of 8 to 10 represents a very high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 9 suggests this advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Regardless of the cloudiness of the day, a sunscreen with SPF 30 or more should be applied and reapplied generously, specifically after swimming or outdoor exercise. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.