17.12
wed
wed
Day
63°F
S 12 mph
Precip.
0%
0%
Night
61°F
S 7 mph
Precip.
0%
0%
18.12
thu
thu
Day
61°F
SE 8 mph
Precip.
0%
0%
Night
61°F
SE 9 mph
Precip.
0%
0%
19.12
fri
fri
Day
61°F
SE 11 mph
Precip.
0%
0%
Night
61°F
SE 9 mph
Precip.
0%
0%
20.12
sat
sat
Day
61°F
SW 2 mph
Precip.
0%
0%
Night
61°F
W 11 mph
Precip.
100%
100%
21.12
sun
sun
Day
61°F
S 6 mph
Precip.
100%
100%
Night
63°F
S 18 mph
Precip.
23%
23%
22.12
mon
mon
Day
63°F
S 13 mph
Precip.
44%
44%
Night
61°F
NW 9 mph
Precip.
0%
0%
23.12
tue
tue
Day
61°F
S 2 mph
Precip.
0%
0%
Night
61°F
N 7 mph
Precip.
0%
0%
24.12
wed
wed
Day
63°F
N 9 mph
Precip.
42%
42%
Night
63°F
NE 6 mph
Precip.
0%
0%
25.12
thu
thu
Day
64°F
NE 9 mph
Precip.
69%
69%
Night
63°F
N 4 mph
Precip.
0%
0%
26.12
fri
fri
Day
63°F
NW 4 mph
Precip.
0%
0%
Night
63°F
W 8 mph
Precip.
0%
0%
27.12
sat
sat
Day
63°F
N 9 mph
Precip.
0%
0%
Night
63°F
N 9 mph
Precip.
0%
0%
28.12
sun
sun
Day
63°F
N 12 mph
Precip.
100%
100%
Night
63°F
N 4 mph
Precip.
100%
100%
29.12
mon
mon
Day
63°F
E 16 mph
Precip.
100%
100%
Night
61°F
S 9 mph
Precip.
0%
0%
30.12
tue
tue
Day
59°F
SW 2 mph
Precip.
0%
0%
Night
59°F
W 3 mph
Precip.
0%
0%
sea water
temperature
temperature
| Santorini |
monthly
weather
weather
| Santorini |
current
weather
weather
| Santorini |
7 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 67.5°F. The highest and lowest sea temperatures during the month were 68.2°F and 66.6°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: 04:30
December 17, wednesday
0600
63°F
S
15 mph
15 mph
0900
63°F
S
14 mph
14 mph
1200
63°F
S
12 mph
12 mph
1500
63°F
S
10 mph
10 mph
1800
61°F
SW
11 mph
11 mph
2100
61°F
S
10 mph
10 mph
December 18, thursday
0000
61°F
S
7 mph
7 mph
0300
61°F
S
9 mph
9 mph
