Weather in January: Cold, rainy & windy. There is a one-week period during January when the weather is generally good and the winds cease. This period is called the Halcyon Days.
Santorini weather in February: Slightly warmer & sunnier than January. The first trees to bloom.
March and April weather: Usually cold & windy but there are many sunny days too. The first daring swimmers appear. Spring time in SANTORINI
with medium temperatures & low rainfall. Santorini is full of wildflowers.
Santorini weather in May: Warm and sunny. Rain is unlikely to occur past May 10. The meltemi seasonal North winds have not yet started to blow, the sea is calm and nature is at its best. May is considered the best month for outdoors activities. A jacket will prove useful for the night.
June: Sunny and hot. Time for the beach!
Weather in July and August: Windy and very hot. July and August are the months that the seasonal North winds blow. It is hard to do anything else during these months, than spend the entire day at the beach life.
Look for a shady place and drink plenty of water. Do not forget your hat and sunscreen.
Santorini weather in September: Sunny, less windy and slightly cooler. Good for outdoors activities.
Get a light jacket for the night, especially if you plan to visit any mountainous areas.
Santorini weather in October / November: Sunny, very few windy days but some rain will fall. Good for outdoors activities. Warm clothes are rarely necessary. The weather becomes unpredictable. It may be sunny but there are plenty of rainy and windy days too. Pack a sweater and don't forget your umbrella.
Santorini in December: Conditions vary from year to year with a mixture of windy, calm, rainy, sunny, cold and warm days. Pack warm clothes together with your swimming suit. There are days when the temperature along the south coast makes swimming possible and pleasurable.
