Measurements:
°C
°F
Santorini
60°F
S 12 mph
Feels like: 60°F
Precip: 0%
World Resorts Greece Santorini Weather

7 Day Weather Forecast

04.24
fri
DAY
62°F
S 14 mph
precip
0%
NIGHT
62°F
S 17 mph
precip
0%
04.25
sat
DAY
64°F
SW 13 mph
precip
0%
NIGHT
64°F
S 19 mph
precip
0%
04.26
sun
DAY
64°F
SE 15 mph
precip
0%
NIGHT
64°F
SE 17 mph
precip
0%
04.27
mon
DAY
66°F
SE 17 mph
precip
0%
NIGHT
64°F
S 23 mph
precip
0%
04.28
tue
DAY
62°F
S 28 mph
precip
0%
NIGHT
62°F
S 22 mph
precip
0%
04.29
wed
DAY
62°F
S 13 mph
precip
0%
NIGHT
64°F
NW 1 mph
precip
0%
04.30
thu
DAY
66°F
NW 14 mph
precip
0%
NIGHT
66°F
NW 11 mph
precip
0%

Santorini Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Santorini was 17.4°F. The maximum and minimum values were 16.8°F and 18.0°F respectively.

Santorini on the Weather Map

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 60.8 °F
The most rainy months:
January 4 days
December 3 days
February 3 days
The most windy months:
January 17 mph
February 17 mph
March 16 mph