Average humidity in Philadelphia (PA)

The mean monthly relative humidity over the year in Philadelphia (Pennsylvania), the United States of America.

Average monthly relative humidity in Philadelphia (PA),

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  • On average, September is the most humid month, at 71.5%.
  • On average, April is the least humid month, at 61.0%.
  • The average annual percentage of humidity is 67%.

Weather Forecasts for Philadelphia (PA)

Thu   Mar 28
12°C | 6°C
N 18 km/h
7.7 mm
broken clouds and rain

broken clouds and rain

Fri   Mar 29
14°C | 4°C
NW 32 km/h
almost clear and no rain

almost clear and no rain

Sat   Mar 30
15°C | 2°C
W 18 km/h
0.7 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

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