24.12
wed
wed
Day
55°F
NW 4 mph
Precip.
100%
100%
Night
55°F
SE 6 mph
Precip.
100%
100%
25.12
thu
thu
Day
59°F
S 4 mph
Precip.
78%
78%
Night
54°F
S 13 mph
Precip.
89%
89%
26.12
fri
fri
Day
54°F
S 11 mph
Precip.
0%
0%
Night
48°F
SE 2 mph
Precip.
0%
0%
27.12
sat
sat
Day
55°F
S 15 mph
Precip.
0%
0%
Night
45°F
SE 6 mph
Precip.
0%
0%
28.12
sun
sun
Day
46°F
E 3 mph
Precip.
0%
0%
Night
43°F
S 21 mph
Precip.
29%
29%
29.12
mon
mon
Day
45°F
S 16 mph
Precip.
30%
30%
Night
39°F
S 6 mph
Precip.
0%
0%
30.12
tue
tue
Day
46°F
E 4 mph
Precip.
0%
0%
Night
45°F
E 3 mph
Precip.
0%
0%
31.12
wed
wed
Day
50°F
E 6 mph
Precip.
0%
0%
Night
48°F
E 5 mph
Precip.
0%
0%
01.01
thu
thu
Day
55°F
NE 19 mph
Precip.
41%
41%
Night
48°F
SE 17 mph
Precip.
0%
0%
02.01
fri
fri
Day
46°F
E 6 mph
Precip.
0%
0%
Night
46°F
NE 6 mph
Precip.
0%
0%
03.01
sat
sat
Day
54°F
NE 11 mph
Precip.
0%
0%
Night
52°F
E 6 mph
Precip.
100%
100%
04.01
sun
sun
Day
54°F
NE 6 mph
Precip.
0%
0%
Night
52°F
SW 4 mph
Precip.
0%
0%
05.01
mon
mon
Day
57°F
N 2 mph
Precip.
0%
0%
Night
54°F
E 14 mph
Precip.
100%
100%
06.01
tue
tue
Day
55°F
SE 9 mph
Precip.
0%
0%
Night
52°F
SE 5 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 66.1°F. The highest and lowest sea temperatures during the month were 68.2°F and 64.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 60.6°F. The highest and lowest sea temperatures during the month were 62.1°F and 59.9°F.
Air temperature in Piraeus, °F
Precipitation total in Piraeus, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Piraeus
Piraeus on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Piraeus
Local time: 14:53
December 24, wednesday
1500
59°F
NW
5 mph
5 mph
1800
55°F
N
3 mph
3 mph
2100
55°F
E
2 mph
2 mph
December 25, thursday
0000
55°F
SE
6 mph
6 mph
0300
55°F
SE
5 mph
5 mph
0600
55°F
S
4 mph
4 mph
0900
55°F
S
5 mph
5 mph
1200
59°F
S
4 mph
4 mph
