Thira weather in August 2026

Q: How hot is it in Thira in August?

Daytime temperatures usually reach 27°C in Thira in August with moderate heat and humidity, falling to 22°C at night.

Q: How sunny is it in Thira in August?

There are normally 12 hours of bright sunshine each day in Thira in August - that's 92% of daylight hours.

Q: How warm is the sea around Thira in August?

The average sea temperature around Thira in August is 24°C.

Q: Does it ever rain in Thira in August?

There is usually 1 day with some rain in Thira in August and the average monthly rainfall is 1mm.

Expect daytime maximum temperatures of 27°C in Thira, Santorini in August based on long-term weather averages. There are 12 hours of sunshine per day on average.

27
27°C max day temperature
12
12 hours of sunshine per day
1
1 day with some rainfall
22
22°C min night temperature
13
13 hours of daylight per day
M
Moderate heat & humidity
1
1 mm of monthly rainfall
9
9 (Very High) UV index
24
24°C sea temperature

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The August weather guide for Santorini (Thira) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)