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Piraeus weather in August

Weather in Piraeus: August

Average day temperature: 90.0°F
Average night temperature: 76.6°F
Sea water temperature: 80.3°F
Number of sunny days: 30 days
Day length: 13.0 - 14.1 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 90°F. At the same time the lowest night temperature was 70°F. Daily and nightly averages during August were 86.0°F and 75.6°F.

Sea water temperature in Piraeus in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 79.6°F. The highest and lowest sea temperatures during the month were 81.3°F and 78.1°F.

Sunny, partly cloudy and cloudy days

Almost all days of August in Piraeus are sunny. Cloudy days are rare.

Precipitation total in August, in.

Precipitation total value in Piraeus in August is 0.1 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 10.4 mph It makes August most windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 12.5.

Best time for vacation in Piraeus

Sunniest months:
July 30 days
August 30 days
June 27 days
Warmest months:
July 91.1 °F
August 90.0 °F
June 85.3 °F
Warmest sea temp:
August 80.3 °F
July 79.0 °F
September 78.3 °F
Coldest months:
January 54.3 °F
February 56.3 °F
December 57.6 °F
Rainiest months:
February 3 days
January 3 days
December 3 days
Windiest months:
August 10.6 mph
July 9.3 mph
February 9.2 mph

Piraeus on a weather map

Piraeus
+57°F
S 3 mph
Feels like: +57°F
Precip.: 100%
Places in Greece:
Name
°F
+57°F
+57°F
+59°F
+59°F
+55°F
+55°F
+61°F
+52°F
+64°F
+59°F
+57°F
+59°F
+52°F
+55°F
24 Hours Forecast
Piraeus
Local time: 10:25
December 05, friday
1200
61°F
SE
6 mph
1500
61°F
SE
6 mph
1800
57°F
SE
7 mph
2100
57°F
SE
6 mph
December 06, saturday
0000
55°F
SE
4 mph
0300
55°F
SE
2 mph
0600
55°F
S
6 mph
0900
55°F
S
5 mph
Units of measurement: °C / °F