Philadelphia weather in January 2026

Expect daytime maximum temperatures of 3°C in Philadelphia in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 84 mm of rainfall in the month, which might fall as snow.

  • 3°C maximum daytime temperature in January in Philadelphia3
    3°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in January in Philadelphia11
    11 days with some rainfall
  • -5°C minimum night-time temperature in January in Philadelphia-5
    -5°C 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
  • 84 mm monthly rainfall in January in Philadelphia84
    84 mm 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 / mm)  |  Imperial (°F / inches)

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How cold is it in Philadelphia in January?

Daytime temperatures usually reach 3°C in Philadelphia in January, falling to -5°C 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 84mm. Rain may fall as snow in this month.

Philadelphia January sunrise & sunset times

Browse the sunrise and sunset times for Philadelphia in January 2026. Select a month to view Philadelphia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:22 16:46
Friday, 16th January 2026 07:20 17:01
Saturday, 31st January 2026 07:10 17:19

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