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Climate in Philadelphia (Pennsylvania, United States of America)

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Celsius

Average min and max temperatures in Philadelphia, the United States of America Copyright © 2023 weather-and-climate.com

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly sunhours in Philadelphia, the United States of America Copyright © 2023 weather-and-climate.com

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Daily percent of sunshine

The mean percent of sunhours during the day over the year

Average percent of sunshine in Philadelphia, the United States of America Copyright © 2023 weather-and-climate.com

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Average water temperature

The mean water temperature over the year. Show in Celsius

Average water temperatures in Philadelphia, the United States of America Copyright © 2023 weather-and-climate.com

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Millimeter

Average precipitation (rain/snow) in Philadelphia, the United States of America Copyright © 2023 weather-and-climate.com

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in Philadelphia, the United States of America Copyright © 2023 weather-and-climate.com

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Average humidity

The mean monthly relative humidity over the year

Average relative humidity in Philadelphia, the United States of America Copyright © 2023 weather-and-climate.com

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Weather Forecasts for Philadelphia (Pennsylvania)

Show in Celsius
Thu   Mar 23
66°F | 48°F
SW 13 mph
0.27 inches
broken clouds and showers

broken clouds and showers

hourly forecast
Fri   Mar 24
61°F | 45°F
N 9 mph
0.02 inches
overcast and slight rain

overcast and slight rain

hourly forecast
Sat   Mar 25
55°F | 43°F
E 13 mph
0.68 inches
overcast and rain

overcast and rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Philadelphia in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 26 degrees Celsius (79°F).

Other facts from our historical climate data:

  • When is summer in Philadelphia?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Philadelphia?
    July has an average maximum temperature of 31°C (87°F) and is the warmest month of the year.
  • Which is the coldest month in Philadelphia?
    The coldest month is January with an average maximum temperature of 5°C (42°F).
  • Which is the wettest month in Philadelphia?
    August tops the wettest month list with 125mm (4.9in) of rainfall.
  • Which is the driest month in Philadelphia?
    February is the driest month with 76mm (3.0in) of precipitation.
  • Which is the sunniest month in Philadelphia?
    July is the sunniest month with an average of 275 hours of sunshine.

    • No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

     

     

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