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Weather history for Philadelphia, Pennsylvania, United States

May 18

This Day in History

Weather in Philadelphia on May 18

2013

Weather in Philadelphia on 18 in 2013. Cloudy
  • 70° F
  • Wind: S 9 mph
  • Humidity: 50%

2012

Weather in Philadelphia on 18 in 2011. Clear/Sunny
  • 73° F
  • Wind: NE 9 mph
  • Humidity: 43%

2011

Weather in Philadelphia on 18 in 2011. Light rain shower
  • 70° F
  • Wind: E 9 mph
  • Humidity: 99%

2010

Weather in Philadelphia on 18 in 2011. Moderate rain
  • 57° F
  • Wind: NNE 13 mph
  • Humidity: 96%
Weather in Philadelphia today

Philadelphia average weather by month
Month Temperature °F Average Rainfall (mm) Average snow days Average Fog days
Average Absolute Daily Monthly
max min max min
January
44.4
26.6
73.0
-5.1
2.6
81.8
6
13
February
46.6
26.8
73.0
2.8
2.1
60
6
10
March
54.7
33.4
86.0
10.9
3.4
106
4
11
April
66.6
43.2
95.0
27.0
2.8
85
1
10
May
75.9
52.3
97.0
34.0
2.9
90.5
0
12
June
84.6
63.0
100.0
45.9
3.1
94
0
13
July
88.5
68.5
103.1
57.9
3.7
114.1
0
13
August
86.5
67.5
100.9
54.0
2.9
90.9
0
14
September
80.1
60.3
95.0
41.0
3.6
109.2
0
11
October
69.3
48.2
89.6
30.9
2.8
85.5
0
12
November
58.1
38.7
81.0
19.0
2.4
72.1
1
10
December
47.3
29.7
73.0
6.1
2.9
90
4
11

year temperature in average


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