August is the hottest month in Porto Heli with an average temperature of 25°C (77°F) and the coldest is January at 10°C (50°F) with the most daily sunshine hours at 11 in July. The wettest month is October with an average of 110mm of rain. The best month to swim in the sea is in August when the average sea temperature is 25°C (77°F).
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Sunrise 07:06
Sunset 17:18
Sunrise 07:06
Sunset 17:18