Philadelphia Weather in January
United States · 30-year monthly averages
🤔 Fair time to visit
January in Philadelphia is cold, with average daytime highs around 5°C (41°F) and nighttime lows near -3°C (26°F). Expect roughly 80mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
Avg high
5°C
41°F
Avg low
-3°C
26°F
Rainfall
80mm
moderate
Rainy days
9
days with ≥1mm
🎒 What to pack
- warm coat
- sweaters and layers
- scarf
January vs the rest of the year
FAQ
- How hot is Philadelphia in January?
- January in Philadelphia is cold, with average daytime highs around 5°C (41°F) and nighttime lows near -3°C (26°F). Expect roughly 80mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
- Does it rain a lot in Philadelphia in January?
- Philadelphia sees around 80mm of precipitation in January on average — moderate by global standards.
- Is January a good time to visit Philadelphia?
- January is a workable month to visit Philadelphia, but expect some weather trade-offs.