Weather in Philadelphia in December
In an average December, Philadelphia sees a daily high around 44°F and a low around 31°F, based on 1980–2026 of local climate records.
| Average high | 44°F |
|---|---|
| Typical high range | 33°F to 57°F |
| Average low | 31°F |
| Typical low range | 20°F to 43°F |
| Average daily precipitation | 0.10 in |
December records
The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
73°F
1998-12-07
Lowest
11°F
1983-12-25
Low
Highest
64°F
2006-12-01
Lowest
0°F
1983-12-25
Feels-like
Highest
73°F
1998-12-07
Lowest
-21°F
1983-12-25
Humidity
Highest
14.7 g/m³
2015-12-24
Lowest
0.7 g/m³
1983-12-25
Wind
Highest
26 mph
1992-12-11
Lowest
4 mph
2013-12-02
Gust
Highest
70 mph
1992-12-11
Lowest
7 mph
2013-12-02
Precip
Wettest
7.90 in
1996
Driest
0.61 in
1980
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