Measurements:
°C
°F
Santorini
66°F
N 28 mph
Feels like: 66°F
Precip: 100%
World Resorts Greece Santorini Weather April Weather in Santorini

Santorini Weather: April

Average Day Temperature: 65.0°F
Average Night Temperature: 62.2°F
Sea Water Temperature: 64.3°F
Number of Sunny Days: 21 days
Sunshine Hours: 12.6 - 13.7 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.4 in

Air Temperature in April, °F

Select Year: 2025 2024 2023

The highest day temperature in April 2025 was 64°F. The lowest night temperature was 51°F. The average values for day and night temperatures during April were 59.2°F и 59.6°F respectivly.

Santorini Water Sea Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Santorini was 64.6°F. The maximum and minimum values were 62.8°F and 67.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in April are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in April, in

Precipitation total in April for Santorini is 0.4 in.

Wind Speed in April, mph

The average wind speed in April is 14.4 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Santorini in April is 10.2 hours.

Best Time to Visit Santorini
The most sunny months:
July 31 days
August 30 days
June 29 days
The most warm months:
August 85.2 °F
July 84.2 °F
September 81.3 °F
Warmest sea temperature:
August 80.4 °F
September 79.3 °F
July 78.7 °F
The most cold months:
January 59.1 °F
February 59.4 °F
March 60.9 °F
The most rainy months:
December 4 days
January 4 days
February 3 days
The most windy months:
January 17 mph
February 17 mph
March 16 mph

Santorini on the Weather Map

Greece Resorts:
NAME
Athenes +58
Athos +58
Bali Gr +60
Chalkidiki +58
Chania +52
Corfu +56
Crete +56
Hanioti +60
Heraklion +60
Hersonissos +56
Paralia Katerini +50
Rhodes +62
Santorini +66
Thasos +60
Thessaloniki +52
24 Hours Weather Forecast
Santorini
Local time: 07:50
05 dec, friday
0900 66°F
N
28 mph
1200 64°F
NE
27 mph
1500 66°F
NE
29 mph
1800 66°F
NE
25 mph
2100 66°F
NE
25 mph
06 dec, saturday
0000 66°F
NE
18 mph
0300 66°F
NE
12 mph
0600 64°F
N
17 mph