Current sea water temperature:
+66.0°F
| Minimum sea water temperature in May: | 71.8°F |
| Maximum sea water temperature in May: | 62.6°F |
| Average sea water temperature in May: | 66.7°F |
| more information | |
14 days
forecast
forecast
| Santorini |
monthly
weather
weather
| Santorini |
Sea water temperature for the last 10 days:
| May 15 | 66.0°F | May 10 | 65.5°F |
| May 14 | 65.7°F | May 9 | 64.6°F |
| May 13 | 66.0°F | May 8 | 64.4°F |
| May 12 | 66.0°F | May 7 | 64.2°F |
| May 11 | 66.7°F | May 6 | 63.9°F |
Monthly sea water temperature, °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.
current
weather
weather
| Santorini |
weather in
May
May
| Santorini |
Best time for vacation in Santorini
Santorini on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Santorini
Local time: 12:19
May 15, friday
1500
66°F
E
11 mph
11 mph
1800
66°F
E
13 mph
13 mph
2100
64°F
E
12 mph
12 mph
May 16, saturday
0000
64°F
E
9 mph
9 mph
0300
64°F
E
6 mph
6 mph
0600
66°F
NE
3 mph
3 mph
0900
66°F
NE
8 mph
8 mph
1200
66°F
NE
8 mph
8 mph
