Measurements:
°C
°F
CURRENT WEATHER
16:44
Piraeus
72°F
NW 5 mph
Feels like: 72°F
Precip: 0%
World Resorts Greece Piraeus Weather

7 Day Weather Forecast

05.14
thu
DAY
74°F
E 14 mph
precip
0%
NIGHT
64°F
NE 4 mph
precip
0%
05.15
fri
DAY
72°F
E 11 mph
precip
0%
NIGHT
66°F
E 3 mph
precip
0%
05.16
sat
DAY
74°F
N 8 mph
precip
0%
NIGHT
68°F
SE 6 mph
precip
0%
05.17
sun
DAY
76°F
NE 2 mph
precip
0%
NIGHT
68°F
E 5 mph
precip
0%
05.18
mon
DAY
76°F
NE 6 mph
precip
0%
NIGHT
66°F
SE 10 mph
precip
0%
05.19
tue
DAY
74°F
SE 9 mph
precip
89%
NIGHT
64°F
SE 4 mph
precip
0%
05.20
wed
DAY
72°F
NE 6 mph
precip
0%
NIGHT
66°F
SW 6 mph
precip
0%

Piraeus Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Piraeus was 18.7°F. The maximum and minimum values were 16.5°F and 20.5°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 57.1 °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
more details