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What is the climate like in Santorini?

The climate of Santorini has an average yearly temperature of 23°C. Throughout the year, the average monthly temperature can drop to 15°C and rise to 31°C.

Annually, about 274 mm of rain falls. This gives a good overview of how much rain to expect in Santorini.

The best time to visit Santorini is April until November. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Santorini.

Temperature 15 to 31°C
Rain 274 mm
The climate of Santorini
  • Average yearly temperature: 23°C
  • Highest temperature: 31°C in July and August
  • Lowest temperature: 15°C in January
  • Rainfall: 274 mm per year, averaging 23 mm by month
  • Driest months: 0 mm in August, 0,4 mm in July and 3,3 mm in June
  • Wettest months: 67 mm in January, 57 mm in February and 56 mm in December

Climate table Santorini

The climate table for Santorini shows the average temperatures, rainfall, and UV index by month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 15 16 17 20 24 28 31 31 28 24 21 17
Nighttime temperature (°C) 10 11 12 14 17 22 24 25 22 19 16 12
Rainfall (mm) 67 57 29 11 5,3 3,3 0,4 0 4,6 10 30 56
UV Index 5 6 7 8 9 9 9 9 8 6 4 4
Best month No No No Yes Yes Yes Yes Yes Yes Yes Yes No

Temperature by month in Santorini

This graph shows the average high temperatures in degrees Celsius for each month in Santorini, Greece

Temperature by month in Santorini, Greece

Rainfall by month in Santorini

This graph shows the average monthly rainfall in millimeters in Santorini, Greece.

Rainfall by month in Santorini, Greece

UV index by month in Santorini

This graph shows the average UV index by month in Santorini, Greece.

UV index by month in Santorini, Greece

Yearly temperature in Santorini

This graph shows the average yearly temperature in Santorini, Greece, measured in degrees Celsius.

Yearly temperature in Santorini, Greece

Yearly total rainfall in Santorini

This graph shows the average yearly rainfall in millimeters in Santorini, Greece.

Rainfall per year in Santorini, Greece

Weather experiences in Santorini

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Average weather in Santorini by month

Click on a month below to see in detail how the weather typically is in Santorini and what to expect. Based on the historical weather data of Santorini, you can view the average temperature, rainfall, wind, and UV index for each day of the month.