29.12
mon
mon
Day
57°F
S 17 mph
Precip.
0%
0%
Night
57°F
NE 1 mph
Precip.
0%
0%
30.12
tue
tue
Day
61°F
NE 23 mph
Precip.
100%
100%
Night
63°F
E 29 mph
Precip.
65%
65%
31.12
wed
wed
Day
59°F
E 9 mph
Precip.
100%
100%
Night
57°F
SE 6 mph
Precip.
75%
75%
01.01
thu
thu
Day
48°F
S 32 mph
Precip.
69%
69%
Night
54°F
S 24 mph
Precip.
68%
68%
02.01
fri
fri
Day
52°F
SE 16 mph
Precip.
0%
0%
Night
55°F
E 14 mph
Precip.
68%
68%
03.01
sat
sat
Day
59°F
N 21 mph
Precip.
86%
86%
Night
59°F
E 32 mph
Precip.
69%
69%
04.01
sun
sun
Day
50°F
S 30 mph
Precip.
100%
100%
Night
52°F
NW 23 mph
Precip.
49%
49%
sea water
temperature
temperature
| Santorini |
monthly
weather
weather
| Santorini |
current
weather
weather
| Santorini |
14 days
forecast
forecast
| Santorini |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 68.2°F and 65.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 64.2°F. The highest and lowest sea temperatures during the month were 65.3°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: 00:35
December 29, monday
0300
57°F
S
25 mph
25 mph
0600
57°F
S
22 mph
22 mph
0900
55°F
S
18 mph
18 mph
1200
57°F
S
17 mph
17 mph
1500
57°F
S
19 mph
19 mph
1800
57°F
S
11 mph
11 mph
2100
57°F
SE
5 mph
5 mph
December 30, tuesday
0000
57°F
NE
1 mph
1 mph
