Measurements:
°C
°F
Santorini
72°F
N 12 mph
Feels like: 72°F
Precip: 20%
World Resorts Greece Santorini Weather

Santorini Sea Water Temperature

Current Sea Water Temperature:
+70.6°F
Maximum Sea Water Temperature in November: 77.0°F
Minimum Sea Water Temperature in November: 65.2°F
Average water temperature in November: 70.7°F

Sea Water Temperature for the Last 10 Days:

November 14 70.6°F November 09 71.2°F
November 13 69.6°F November 08 71.6°F
November 12 70.6°F November 07 71.6°F
November 11 71.0°F November 06 71.6°F
November 10 70.6°F November 05 72.0°F

When is the Warmest Sea for Santorini?

According to our data for the last three years for Santorini the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Santorini was 79.2°F. The maximum and minimum values were 77.6°F and 81.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Santorini was 78.4°F. The maximum and minimum values were 76.6°F and 79.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Santorini was 78.4°F. The maximum and minimum values were 77.0°F and 80.6°F respectively.

Best Time to Visit Santorini
The most sunny months:
July 31 days
August 30 days
June 29 days
The most warm months:
August 84.8 °F
July 83.9 °F
September 81.0 °F
Warmest sea temperature:
August 80.4 °F
September 79.2 °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

Santorini on the Weather Map

Greece Resorts:
NAME
F°
Athenes +76
Bali Gr +74
Chalkidiki +70
Chania +78
Corfu +68
Crete +74
Hanioti +72
Hersonissos +76
Paralia Katerini +74
Possidi +72
Rhodes +70
Sithonia +70
Thasos +72
Thessaloniki +72
Zakynthos +72
24 Hours Weather Forecast
Santorini
Local time: 12:30
14 nov, saturday
1500 72°F
N
11 mph
1800 72°F
NE
8 mph
2100 72°F
E
8 mph
15 nov, sunday
0000 70°F
E
10 mph
0300 70°F
E
9 mph
0600 70°F
SE
6 mph
0900 70°F
S
7 mph
1200 70°F
S
11 mph