27.12
sat
sat
Day
54°F
S 12 mph
Precip.
0%
0%
Night
46°F
S 5 mph
Precip.
0%
0%
28.12
sun
sun
Day
54°F
E 6 mph
Precip.
0%
0%
Night
50°F
S 14 mph
Precip.
0%
0%
29.12
mon
mon
Day
52°F
SE 2 mph
Precip.
0%
0%
Night
50°F
E 3 mph
Precip.
0%
0%
30.12
tue
tue
Day
55°F
E 9 mph
Precip.
0%
0%
Night
50°F
S 9 mph
Precip.
0%
0%
31.12
wed
wed
Day
54°F
S 3 mph
Precip.
0%
0%
Night
48°F
NW 3 mph
Precip.
0%
0%
01.01
thu
thu
Day
54°F
NE 3 mph
Precip.
0%
0%
Night
50°F
E 3 mph
Precip.
0%
0%
02.01
fri
fri
Day
54°F
SE 6 mph
Precip.
0%
0%
Night
50°F
NE 8 mph
Precip.
0%
0%
03.01
sat
sat
Day
46°F
S 17 mph
Precip.
73%
73%
Night
41°F
S 9 mph
Precip.
0%
0%
04.01
sun
sun
Day
45°F
W 3 mph
Precip.
0%
0%
Night
46°F
W 6 mph
Precip.
100%
100%
05.01
mon
mon
Day
48°F
NW 9 mph
Precip.
100%
100%
Night
45°F
S 9 mph
Precip.
0%
0%
06.01
tue
tue
Day
52°F
S 8 mph
Precip.
0%
0%
Night
46°F
S 6 mph
Precip.
0%
0%
07.01
wed
wed
Day
55°F
E 4 mph
Precip.
0%
0%
Night
52°F
E 2 mph
Precip.
0%
0%
08.01
thu
thu
Day
57°F
E 6 mph
Precip.
0%
0%
Night
55°F
NE 7 mph
Precip.
0%
0%
09.01
fri
fri
Day
59°F
NE 20 mph
Precip.
100%
100%
Night
52°F
E 6 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 65.9°F. The highest and lowest sea temperatures during the month were 68.2°F and 64.0°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: 22:29
December 28, sunday
0000
46°F
S
5 mph
5 mph
0300
46°F
SE
2 mph
2 mph
0600
46°F
E
4 mph
4 mph
0900
48°F
E
4 mph
4 mph
1200
54°F
E
6 mph
6 mph
1500
59°F
SE
7 mph
7 mph
1800
54°F
S
8 mph
8 mph
2100
52°F
S
16 mph
16 mph
