Average monthly water temperature in Piraeus, Greece
On this page you find the mean water temperature over the year in Piraeus (Attica), Greece. Get insights into the water temperature fluctuations and discover what they mean for visitors.
Piraeus experiences water temperature shifts throughout the year. The warmest month, July, reaches an average of 24°C (75°F).
The coldest month, January, averages 14°C (57°F). Visitors during these months can leave their swimming gear at home.
Piraeus Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Piraeus - and find the best time to visit.
Piraeus 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Piraeus climate overview or explore weather in Greece.
Popular this month
Where to go in August - average daytime high across popular destinations.
Athens
33°C (91°F) Kalambaka33°C (91°F) Hersonissos30°C (86°F) Chania Town27°C (81°F) Oía
27°C (81°F) Naxos Chora27°C (81°F) Fira27°C (81°F) Mýkonos City27°C (81°F) 
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