Philadelphia Weather History (PA)

Summary
  Temp.
(ºF)
Relative Humidity
(Percentage)
Extreme Temp.
(Days Per Month)
Rain
(Inches)
Cloudiness
(Days Per Month)
  Average A.M. P.M. Below
32º
Above
90º
Average Clear Partly
Cloudy
Cloudy
January 30.4 73% 59% 25 0 3.2 7 8 16
February 33.0 72% 55% 22 0 2.8 7 7 14
March 42.4 72% 53% 14 0 3.5 8 8 15
April 52.4 71% 50% 2 N/A 3.6 7 9 14
May 62.9 75% 53% N/A 1 3.8 6 11 14
June 71.8 77% 54% 0 5 3.7 7 11 12
July 76.7 79% 54% 0 9 4.3 7 12 12
August 75.5 81% 55% 0 6 3.8 8 11 11
September 68.2 83% 56% 0 2 3.4 10 9 11
October 56.4 83% 54% 1 0 2.6 11 9 12
November 46.4 78% 56% 8 0 3.3 7 9 14
December 35.8 74% 59% 21 0 3.4 7 8 15
Annual 54.3 76% 55% 93 23 41.4 93 112 160


Average Temperature (ºF)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
30.4 33.0 42.4 52.4 62.9 71.8 76.7 75.5 68.2 56.4 46.4 35.8

Relative Humidity (Percentage)
Morning
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
73% 72% 72% 71% 75% 77% 79% 81% 83% 83% 78% 74%
Afternoon
59% 55% 53% 50% 53% 54% 54% 55% 56% 54% 56% 59%

Rain (Inches)
Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.
3.2 2.8 3.5 3.6 3.8 3.7 4.3 3.8 3.4 2.6 3.3 3.4

Cloudiness (Days Per Month)
  January February March
Clear 7 Days 7 Days 8 Days
Partly Cloudy 8 Days 7 Days 8 Days
Cloudy 16 Days 15 Days 15 Days
  April May June
Clear 7 Days 6 Days 7 Days
Partly Cloudy 9 Days 11 Days 11 Days
Cloudy 14 Days 14 Days 12 Days
  July August September
Clear 7 Days 8 Days 10 Days
Partly Cloudy 12 Days 11 Days 9 Days
Cloudy 12 Days 11 Days 11 Days
  October November December
Clear 11 Days 7 Days 7 Days
Partly Cloudy 9 Days 9 Days 8 Days
Cloudy 12 Days 14 Days 15 Days
  Clear Partly Cloudy Cloudy
 
Days Per Year 93 112 160


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