August weather forecast
Santorini, Greece

August continues to bask in the splendor of a warm Santorini summer. With rainfall almost absent and prevalent warm temperatures, beach visits and water sports experience a peak. Despite the slight dip in daylight and sunshine hours, the days remain largely bright and sunny. Although sea temperatures remain welcoming at just slightly lower than in July, the UV index drops to 9, still requiring precautions against sunburn.

Temperature

With the arrival of August, Santorini's average high-temperature registers at a still moderately hot 27°C (80.6°F), indicating a subtle variation from the previous month. In Santorini, nights during August observe an average temperature decrease to a pleasant 22°C (71.6°F).

Rainfall

The months with the least rainfall are July and August Rain falls for 1 days and accumulates 1mm (0.04") of rain.

Sea temperature

August is the month with the warmest seawater in Santorini, with an average sea temperature of 25.7°C (78.3°F).
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 Santorini, the average length of the day in August is 13h and 31min.
On the first day of the month, sunrise is at 06:25 and sunset at 20:23. On the last day of August, sunrise is at 06:49 and sunset at 19:47 EEST.

Sunshine

In Santorini, the average sunshine in August is 12h.

UV index

The average daily maximum UV index in August is 9. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 9 in August leads to these recommendations:
Take important precautions because unprotected skin can burn and be harmed swiftly. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.