22.12
mon
mon
Day
55°F
S 7 mph
Precip.
66%
66%
Night
50°F
S 7 mph
Precip.
0%
0%
23.12
tue
tue
Day
55°F
S 4 mph
Precip.
0%
0%
Night
54°F
NW 3 mph
Precip.
0%
0%
24.12
wed
wed
Day
59°F
NE 7 mph
Precip.
100%
100%
Night
57°F
NE 4 mph
Precip.
0%
0%
25.12
thu
thu
Day
59°F
S 1 mph
Precip.
0%
0%
Night
55°F
SW 6 mph
Precip.
100%
100%
26.12
fri
fri
Day
55°F
W 6 mph
Precip.
100%
100%
Night
54°F
S 4 mph
Precip.
0%
0%
27.12
sat
sat
Day
57°F
SE 5 mph
Precip.
0%
0%
Night
54°F
S 7 mph
Precip.
100%
100%
28.12
sun
sun
Day
50°F
S 6 mph
Precip.
0%
0%
Night
48°F
S 9 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 66.2°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: 03:56
December 22, monday
0600
52°F
S
7 mph
7 mph
0900
52°F
S
7 mph
7 mph
1200
55°F
S
7 mph
7 mph
1500
57°F
S
9 mph
9 mph
1800
54°F
S
9 mph
9 mph
2100
52°F
S
8 mph
8 mph
December 23, tuesday
0000
50°F
S
7 mph
7 mph
0300
50°F
S
7 mph
7 mph
