23.04
thu
thu
Day
61°F
S 15 mph
Precip.
78%
78%
Night
59°F
S 15 mph
Precip.
0%
0%
24.04
fri
fri
Day
61°F
S 12 mph
Precip.
0%
0%
Night
61°F
S 19 mph
Precip.
0%
0%
25.04
sat
sat
Day
63°F
S 15 mph
Precip.
0%
0%
Night
63°F
S 15 mph
Precip.
0%
0%
26.04
sun
sun
Day
63°F
SE 14 mph
Precip.
0%
0%
Night
63°F
SE 16 mph
Precip.
0%
0%
27.04
mon
mon
Day
64°F
S 15 mph
Precip.
0%
0%
Night
63°F
S 24 mph
Precip.
0%
0%
28.04
tue
tue
Day
61°F
SE 25 mph
Precip.
0%
0%
Night
61°F
SE 21 mph
Precip.
0%
0%
29.04
wed
wed
Day
61°F
SE 14 mph
Precip.
0%
0%
Night
63°F
NE 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Santorini |
monthly
weather
weather
| Santorini |
current
weather
weather
| Santorini |
14 days
forecast
forecast
| Santorini |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 63.3°F. The highest and lowest sea temperatures during the month were 64.4°F and 62.2°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 66.4°F. The highest and lowest sea temperatures during the month were 68.7°F and 63.7°F.
Air temperature in Santorini, °F
Precipitation total in Santorini, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Santorini
Santorini on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Santorini
Local time: 23:33
April 24, friday
0000
59°F
S
15 mph
15 mph
0300
59°F
S
14 mph
14 mph
0600
59°F
S
12 mph
12 mph
0900
61°F
S
12 mph
12 mph
1200
61°F
S
12 mph
12 mph
1500
61°F
S
16 mph
16 mph
1800
61°F
S
16 mph
16 mph
2100
61°F
S
16 mph
16 mph
