Weather in Philadelphia, Pennsylvania, United States in January
In an average January, Philadelphia sees a daily high around 37°F and a low around 22°F, based on 1981–2026 of local climate records.
| Average high | 37°F |
|---|---|
| Typical high range | 23°F to 50°F |
| Average low | 22°F |
| Typical low range | 8°F to 33°F |
| Average daily precipitation | 0.10 in |
January records
The most extreme January on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
68°F
2007-01-06
Lowest
1°F
1994-01-19
Low
Highest
57°F
1998-01-08
Lowest
-16°F
1994-01-21
Feels-like
Highest
57°F
1998-01-08
Lowest
-38°F
1994-01-19
Humidity
Highest
12.9 g/m³
1998-01-08
Lowest
0.9 g/m³
1994-01-19
Wind
Highest
38 mph
1996-01-27
Lowest
4 mph
1981-01-09
Precip
Wettest
6.95 in
1999
Driest
0.53 in
1981
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