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Average water temperature in Philadelphia

The mean water temperature over the year in Philadelphia (Pennsylvania), the United States of America.


  • The months June, July, August, September and October have a pleasant water temperature.
  • On average, August has the warmest water temperature with 25°C.
  • On average, February has the coldest water temperature with 5°C.

Forecast for Philadelphia (PA)

Thu   Nov 14
10°C | 1°C
E 18 km/h
broken clouds and no rain

broken clouds and no rain

Fri   Nov 15
15°C | 5°C
NW 22 km/h
almost clear and no rain

almost clear and no rain

Sat   Nov 16
17°C | 7°C
NW 25 km/h
clear and no rain

clear and no rain

Interested in more climate information?

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