Kefalos weather in August 2026

Q: How hot is it in Kefalos in August?

Daytime temperatures usually reach 32°C in Kefalos in August with high heat and humidity, falling to 21°C at night.

Q: How sunny is it in Kefalos in August?

There are normally 13 hours of bright sunshine each day in Kefalos in August - that's 96% of daylight hours.

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

The average sea temperature around Kefalos in August is 25°C.

Q: Does it rain in Kefalos in August?

There are usually 6 days with some rain in Kefalos in August and the average monthly rainfall is 5mm.

Expect daytime maximum temperatures of 31°C in Kefalos, Kos in August and high heat and humidity based on long-term weather averages. There are 13 hours of sunshine per day on average.

31
31°C max day temperature
13
13 hours of sunshine per day
5
5 days with some rainfall
22
22°C min night temperature
14
14 hours of daylight per day
H
High heat & humidity
2
2 mm of monthly rainfall
9
9 (Very High) UV index
25
25°C sea temperature

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The August weather guide for Kos (Kefalos) 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)