Philadelphia weather in January 2025

Expect 37°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Philadelphia in January. Check more long-term weather averages for Philadelphia in January before you book your next holiday to Pennsylvania in 2025/2026.

  • 37°F maximum daytime temperature in January in Philadelphia37
    37°F max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in January in Philadelphia11
    11 days with some rainfall
  • 23°F minimum night-time temperature in January in Philadelphia23
    23°F min night temperature
  • 10 hours of daylight per day in January in Philadelphia10
    10 hours of daylight per day
  • No heat & humidity in January in Philadelphia0
    No heat & humidity
  • 3.3 inches monthly rainfall in January in Philadelphia3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Philadelphia2
    2 (Low) UV index

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The January weather guide for Pennsylvania (Philadelphia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about the USA

How cold is it in Philadelphia in January?

Daytime temperatures usually reach 37°F in Philadelphia in January, falling to 23°F at night.

How sunny is it in Philadelphia in January?

There are normally 5 hours of bright sunshine each day in Philadelphia in January - that's 52% of daylight hours.

Does it rain in Philadelphia in January?

There are usually 11 days with some rain in Philadelphia in January and the average monthly rainfall is 3.3 inches. Rain may fall as snow in this month.

Philadelphia January sunrise & sunset times

Browse the sunrise and sunset times for Philadelphia in January 2025. Select a month to view Philadelphia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:22 16:47
Thursday, 16th January 2025 07:20 17:02
Friday, 31st January 2025 07:10 17:19

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