Average monthly temperatures
Oia has a mediterranean climate with hot dry summers and mild winters.
If you’re a sunseeker the best time to visit 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
You should be able to enjoy the beach with sea temperatures averaging 23 C or above from June to October.