World Resorts Greece Santorini Weather

Santorini sea water temperature

Current sea water temperature:
+63.5°F
Minimum sea water temperature in February: 64.6°F
Maximum sea water temperature in February: 60.3°F
Average sea water temperature in February: 62.0°F

Sea water temperature for the last 10 days:

February 3 63.5°F January 29 63.5°F
February 2 63.9°F January 28 63.7°F
February 1 63.7°F January 27 63.1°F
January 31 63.9°F January 26 63.7°F
January 30 63.7°F January 25 63.0°F

When is the warmest sea in Santorini?

Based on the data about daily sea water temperature for the last three years the warmest sea in Santorini was noticed in August, September and July.

Monthly Sea Temperatures in Santorini, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 79.2°F and 76.1°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 75.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 73.9°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 79.5°F and 71.6°F.

Best time for vacation in Santorini

Sunniest months:
July 31 days
August 30 days
June 29 days
Warmest months:
August 81.7 °F
July 80.8 °F
September 78.2 °F
Warmest sea temp:
August 77.4 °F
September 76.4 °F
July 75.8 °F
Coldest months:
January 58.2 °F
February 58.4 °F
March 59.8 °F
Rainiest months:
January 4 days
December 3 days
February 3 days
Windiest months:
January 17.7 mph
February 17.4 mph
March 16.7 mph

Santorini on a weather map

Santorini
+59°F
N 4 mph
Feels like: +59°F
Precip.: 0%
Places in Greece:
Name
°F
+54°F
+50°F
+55°F
+54°F
+52°F
+57°F
+43°F
+54°F
+52°F
+46°F
+59°F
+43°F
+50°F
+55°F
24 Hours Forecast
Santorini
Local time: 17:54
February 03, tuesday
1800
59°F
N
4 mph
2100
59°F
NE
3 mph
February 04, wednesday
0000
59°F
NE
3 mph
0300
59°F
NE
4 mph
0600
59°F
N
6 mph
0900
59°F
N
7 mph
1200
61°F
NW
16 mph
1500
61°F
NW
16 mph
Units of measurement: °C / °F