Pennsylvania weather in December
Considering a trip to Pennsylvania this December and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:
What is the weather like in Pennsylvania in December?
Pennsylvania is a region in the United States of America. December in Pennsylvania generally has cold temperatures, with precipitation levels ranging from moderate to high. During December, winter is in full swing.
The average maximum temperatures are cold and range from 3°C in Bradford to 9°C in Essington. Nighttime temperatures generally drop to 1°C in Essington and -5°C in Bradford.
In December, precipitation varies across different areas. From moderate snow/rainfall in Mansfield with an average of 69 mm to high snow/rainfall in Mount Pocono with 144 mm. Most areas experience a moderate amount of sunshine, with approximately 140 hours of sunlight expected in Philadelphia. This makes it neither too gloomy nor overly bright.
For a closer look at December's conditions in Pennsylvania, see the map below. For a more detailed look at Pennsylvania's yearly weather, check out our Pennsylvania climate page.
Where to go in Pennsylvania in December
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Popular destinations in Pennsylvania
What is the weather like in December for the 5 most popular destinations in Pennsylvania?
Average weather in Philadelphia
In December Philadelphia generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 1°C and high monthly rainfall. So on average the conditions are poor that month.
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Average weather in Pittsburgh
In December Pittsburgh generally has low temperatures with maximum daytime temperatures around 6°C, minimum nighttime temperatures around -2°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.
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Average weather in Gettysburg
In December Gettysburg generally has low temperatures with maximum daytime temperatures around 7°C, minimum nighttime temperatures around -2°C and high monthly snow/rainfall. So on average the conditions are poor that month.
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Average weather in York
In December York generally has low temperatures with maximum daytime temperatures around 8°C, minimum nighttime temperatures around -2°C and high monthly snow/rainfall. So on average the conditions are poor that month.
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Average weather in Washington
In December Washington generally has low temperatures with maximum daytime temperatures around 6°C, minimum nighttime temperatures around -3°C and high monthly snow/rainfall. So on average the conditions are poor that month.
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Is your destination not in the list? Have a look at other destinations in Pennsylvania, in the United States of America.
Is December the best time to visit Pennsylvania?
In our opinion, December may not be the ideal time to visit Pennsylvania due to the typically poor weather in Philadelphia.
On average, the best time to visit Pennsylvania is in May with generally perfect weather in Philadelphia. On the other hand, the months of January, February and December tend to have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in Pennsylvania.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.