Pennsylvania weather in January 2026

Expect 3°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Pennsylvania in January based on long-term weather averages. There is usually 11 days with some rainfall and 84 mm of average monthly rainfall in January.

  • 3°C maximum daytime temperature in January in Pennsylvania (Philadelphia)3
    3°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in January in Pennsylvania (Philadelphia)11
    11 days with some rainfall
  • -5°C minimum night-time temperature in January in Pennsylvania (Philadelphia)-5
    -5°C min night temperature
  • 10 hours of daylight per day in January in Pennsylvania (Philadelphia)10
    10 hours of daylight per day
  • No heat & humidity in January in Pennsylvania (Philadelphia)0
    No heat & humidity
  • 84 mm monthly rainfall in January in Pennsylvania (Philadelphia)84
    84 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Pennsylvania (Philadelphia)2
    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.

Top Pennsylvania destinations

Below are average maximum temperatures at popular countries, regions and places in Pennsylvania in January. Select a holiday destination to see more weather parameters.

All Pennsylvania destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Pennsylvania in January?

Daytime temperatures usually reach 3°C in Philadelphia, Pennsylvania in January, falling to -5°C at night.

How sunny is it in Pennsylvania in January?

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

Does it rain in Pennsylvania in January?

There are usually 11 days with some rain in Philadelphia, Pennsylvania in January and the average monthly rainfall is 84mm. Rain may fall as snow in this month.

Pennsylvania January sunrise & sunset times

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

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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