Average monthly temperatures

Oia enjoys a Mediterranean climate with long hot summers and relatively short mild winters.
If you love to follow the sun the best time to go to Oia is between June and September.
The hottest month of the year is August with an average daily maximum of 30 C and an average low of 24 C.
The coolest month of the year is January with an average daily maximum of 14 C and an average low of 9 C.

Sunshine and rainfall

The driest month is August with 0 mm of rainfall and 31 perfect sunny days. The wettest month is January with 27 mm of rain over 4 days.

Best time to be on the beach

For beach lovers water temperatures are best at 23 C or above from June to October.