Measurements:
°C
°F
CURRENT WEATHER
11:10
Piraeus
58°F
NE 1 mph
Feels like: 58°F
Precip: 0%
World Resorts Greece Piraeus Weather

7 Day Weather Forecast

12.18
thu
DAY
58°F
NE 1 mph
precip
0%
NIGHT
54°F
S 2 mph
precip
0%
12.19
fri
DAY
60°F
E 1 mph
precip
0%
NIGHT
54°F
S 4 mph
precip
0%
12.20
sat
DAY
56°F
S 5 mph
precip
0%
NIGHT
54°F
S 6 mph
precip
0%
12.21
sun
DAY
58°F
S 9 mph
precip
0%
NIGHT
52°F
S 8 mph
precip
0%
12.22
mon
DAY
58°F
S 6 mph
precip
71%
NIGHT
52°F
SW 5 mph
precip
0%
12.23
tue
DAY
58°F
N 7 mph
precip
22%
NIGHT
58°F
NE 4 mph
precip
54%
12.24
wed
DAY
62°F
NE 7 mph
precip
0%
NIGHT
58°F
E 4 mph
precip
0%

Piraeus Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Piraeus was 19.2°F. The maximum and minimum values were 18.5°F and 20.1°F respectively.

Piraeus on the Weather Map

Best Time to Visit Piraeus
The most sunny months:
July 30 days
August 30 days
June 27 days
The most warm months:
July 95.7 °F
August 94.4 °F
June 89.2 °F
Warmest sea temperature:
August 83.6 °F
July 82.2 °F
September 81.5 °F
The most cold months:
January 54.7 °F
February 57.0 °F
December 58.5 °F
The most rainy months:
February 3 days
January 3 days
December 3 days
The most windy months:
August 11 mph
July 9 mph
February 9 mph
more details