Weather in Philadelphia: May
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Average day temperature: | 70.2°F |
| Average night temperature: | 57.6°F | |
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Number of sunny days: | 12 days |
| Day length: | 13.9 - 14.8 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 2.4 in. | |
| more information | ||
14 days
forecast
forecast
| Philadelphia |
weather in
June
June
| Philadelphia |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 98°F. At the same time the lowest night temperature was 44°F. Daily and nightly averages during May were 72.4°F and 56.9°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Philadelphia in May is 1.8 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 7.5 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.1.
Best time for vacation in Philadelphia
Philadelphia on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Philadelphia
Local time: 07:51
June 12, friday
0900
82°F
E
7 mph
7 mph
1200
91°F
E
8 mph
8 mph
1500
93°F
E
11 mph
11 mph
1800
90°F
E
11 mph
11 mph
2100
84°F
SE
9 mph
9 mph
June 13, saturday
0000
77°F
SE
9 mph
9 mph
0300
72°F
SE
8 mph
8 mph
0600
68°F
SE
8 mph
8 mph
