When to go
The Best Time to Visit Santorini
Month-by-month climate data for Santorini, Greece — daily highs and lows, rain days, and an honest verdict for every month of the year.
May–June, September–October. Warm enough for swimming, fewer cruise ships than July–August. Avoid the peak July week if you can.
Warmest in Santorini: Jul (30°C / 86°F) · Coolest: Jan (15°C / 59°F) · Wettest: Dec (~9 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Santorini climate, month by month
January
15° / 12°C
~8 rain days
Good
February
16° / 12°C
~7 rain days
Excellent
March
16° / 12°C
~7 rain days
Excellent
April
20° / 15°C
~4 rain days
Excellent
May
23° / 18°C
~3 rain days
Excellent
June
28° / 22°C
~1 rain days
Excellent
July
30° / 24°C
~0 rain days
Excellent
August
30° / 25°C
~1 rain days
Excellent
September
28° / 23°C
~1 rain days
Excellent
October
24° / 20°C
~2 rain days
Excellent
November
20° / 16°C
~3 rain days
Excellent
December
17° / 14°C
~9 rain days
Excellent
Plan around it
Dates locked in? Start from the Santorini travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.