Weather in Philadelphia in January
Philadelphia, United States averages a high of 4.6°C (40.3°F) and low of -3.2°C (26.2°F) in January, with 9 rain days and 6.4 hours of daily sunshine. Travel score: 51/100 (Mixed). The best time to visit Philadelphia is August.
High
5°C40°F
Low
-3°C26°F
🌧️
9
rain days
☀️
6.4
hrs/day sunshine
💧
66%
humidity
51— Mixed
January in Philadelphia is cold and occasionally wet — bring heavy winter clothing.
What are the average temperatures in Philadelphia?
How much does it rain in Philadelphia in January?
Philadelphia receives an average of 84.3mm of rainfall across 9 rainy days in January. The annual total is 1099.8mm.
What should I pack for Philadelphia in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 5°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -3°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in January?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31