25.12
thu
thu
Day
59°F
SE 4 mph
Precip.
0%
0%
Night
52°F
S 9 mph
Precip.
0%
0%
26.12
fri
fri
Day
55°F
S 7 mph
Precip.
0%
0%
Night
50°F
N 2 mph
Precip.
0%
0%
27.12
sat
sat
Day
48°F
S 16 mph
Precip.
100%
100%
Night
45°F
S 11 mph
Precip.
0%
0%
28.12
sun
sun
Day
46°F
NE 4 mph
Precip.
0%
0%
Night
43°F
S 24 mph
Precip.
100%
100%
29.12
mon
mon
Day
43°F
S 15 mph
Precip.
0%
0%
Night
37°F
SE 6 mph
Precip.
0%
0%
30.12
tue
tue
Day
46°F
E 6 mph
Precip.
0%
0%
Night
46°F
SE 7 mph
Precip.
0%
0%
31.12
wed
wed
Day
52°F
N 3 mph
Precip.
0%
0%
Night
52°F
NE 7 mph
Precip.
0%
0%
01.01
thu
thu
Day
59°F
N 24 mph
Precip.
100%
100%
Night
59°F
NE 28 mph
Precip.
100%
100%
02.01
fri
fri
Day
55°F
NE 14 mph
Precip.
100%
100%
Night
54°F
E 9 mph
Precip.
0%
0%
03.01
sat
sat
Day
59°F
NE 17 mph
Precip.
26%
26%
Night
61°F
NE 25 mph
Precip.
100%
100%
04.01
sun
sun
Day
52°F
E 13 mph
Precip.
82%
82%
Night
45°F
SE 17 mph
Precip.
0%
0%
05.01
mon
mon
Day
45°F
S 14 mph
Precip.
0%
0%
Night
39°F
SW 2 mph
Precip.
0%
0%
06.01
tue
tue
Day
46°F
E 1 mph
Precip.
0%
0%
Night
46°F
N 4 mph
Precip.
100%
100%
07.01
wed
wed
Day
43°F
S 16 mph
Precip.
100%
100%
Night
41°F
S 25 mph
Precip.
53%
53%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 66.0°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: 21:17
December 26, friday
0000
52°F
S
9 mph
9 mph
0300
52°F
S
12 mph
12 mph
0600
52°F
S
11 mph
11 mph
0900
52°F
S
8 mph
8 mph
1200
55°F
S
7 mph
7 mph
1500
55°F
S
7 mph
7 mph
1800
54°F
SW
4 mph
4 mph
2100
52°F
SW
2 mph
2 mph
