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Weather in December in Williamsport, Pa

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< December >
 
Normal Max/ High Temperature 3°C (38°F)
 
Average Temperature -1°C (31°F)
 
Min/ Low Temperature -5°C (24°F)
 
Normal Precipitation 77mm (3in)
Average Daylight per day 09:15
Sun altitude at solar noon on the 21st day.
25.3°


  • The average temperature in Williamsport, Pa in December is slightly cold at -0.6 °C (30.92 °F).
  • Afternoons can be cool with average high temperatures reaching 3.3 °C (37.9 °F).
  • Overnight temperatures are generally slightly cold with an average low of -4.5 °C (23.9 °F).
  • In December the average daily temperature variation/ range is 7.8 °C (14 °F).
  • The weather in December is somewhat dry. Just 77mm (3in) of H2O tumbles.
  • The shortest day is 9:11 long and the longest day is 9:24 long with an average length of 9:15.

Check the distance to and compare the Williamsport, Pa December averages with somewhere beginning with:

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Weather Trend Graph for December in Williamsport, Pa, Usa

Graph of weather in Williamsport, Pa in December

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