Pennsylvania weather in January 2020

  • 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 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.

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

Guide to Pennsylvania weather in January

The average maximum daytime temperature in Pennsylvania in January is a cold 3°C (37°F). The average night-time temperature is usually a very cold -5°C (23°F). There are usually 5 hours of bright sunshine each day, which represents 52% of the 10 hours of daylight.

Expect 84mm (3.3 inches) of rainfall across the whole of January with 11 days with some rain falling. Maximum UV levels will be low (2 UV index) at midday when the skies are clear.

The weather in Pennsylvania in January is represented by Philadelphia.

Pennsylvania sunrise & sunset times for January 2020

Browse the sunrise & sunset times for Pennsylvania in January 2020. Select a month to view Pennsylvania sunrise & sunset times for the next twelve months. The Pennsylvania sunrise & sunset times shown below are for Philadelphia.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2020 07:22 16:46
Thursday, 16th January 2020 07:20 17:01
Friday, 31st January 2020 07:10 17:18
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