Measurements:
°C
°F
Piraeus
68°F
S 19 mph
Feels like: 68°F
Precip: 2%
World Resorts Greece Piraeus Weather

7 Day Weather Forecast

10.04
sun
DAY
68°F
S 19 mph
precip
2%
NIGHT
60°F
S 6 mph
precip
3%
10.05
mon
DAY
72°F
S 14 mph
precip
0%
NIGHT
62°F
S 6 mph
precip
1%
10.06
tue
DAY
74°F
S 9 mph
precip
1%
NIGHT
64°F
S 6 mph
precip
1%
10.07
wed
DAY
76°F
SE 2 mph
precip
9%
NIGHT
66°F
NE 3 mph
precip
13%
10.08
thu
DAY
74°F
NE 6 mph
precip
1%
NIGHT
66°F
E 4 mph
precip
4%
10.09
fri
DAY
76°F
NE 7 mph
precip
3%
NIGHT
72°F
S 2 mph
precip
14%
10.10
sat
DAY
76°F
NE 2 mph
precip
6%
NIGHT
70°F
E 3 mph
precip
7%

Piraeus Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Piraeus was 23.0°F. The maximum and minimum values were 22.2°F and 24.3°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 95.3 °F
August 94.4 °F
June 89.0 °F
Warmest sea temperature:
August 83.6 °F
July 82.3 °F
September 81.5 °F
The most cold months:
January 54.7 °F
February 57.1 °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