Current sea water temperature:
+63.3°F
| Minimum sea water temperature in April: | 66.7°F |
| Maximum sea water temperature in April: | 58.3°F |
| Average sea water temperature in April: | 62.9°F |
| more information | |
14 days
forecast
forecast
| Santorini |
monthly
weather
weather
| Santorini |
Sea water temperature for the last 10 days:
| April 25 | 63.3°F | April 20 | 63.5°F |
| April 24 | 63.3°F | April 19 | 63.1°F |
| April 23 | 64.0°F | April 18 | 63.5°F |
| April 22 | 64.4°F | April 17 | 63.9°F |
| April 21 | 64.0°F | April 16 | 63.0°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
April
April
| Santorini |
Best time for vacation in Santorini
Santorini on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Santorini
Local time: 10:54
April 25, saturday
1200
61°F
SW
12 mph
12 mph
1500
61°F
SW
14 mph
14 mph
1800
61°F
S
19 mph
19 mph
2100
63°F
S
17 mph
17 mph
April 26, sunday
0000
63°F
S
13 mph
13 mph
0300
63°F
S
15 mph
15 mph
0600
63°F
SE
12 mph
12 mph
0900
63°F
SE
17 mph
17 mph
