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Weather in Pennsylvania for December 2024

Your guide to Pennsylvania weather in December - trends and predictions
  • In general, the average temperature in Pennsylvania at the beginning of December is 9 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 8.7 °F by the end of December.

  • Pennsylvania sees moderate rainfall in December, averaging 6 rainy days.

  • Snowfall in Pennsylvania during December is quite rare, with fewer than 2 snowy days on average.

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Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
1
Snow days
Average temperatures
10°/0°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Pennsylvania in December average weather

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Temperatures trend during December in Pennsylvania

See the weather trend as well as the moving average line

December weather day by day

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Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
9° /3° 1.5 mm 0 cm
Dec. 2 Fog
Fog
12° /6° 0 mm 0 cm
Dec. 3 Light rain shower
Light rain shower
16° /7° 30.2 mm 0 cm
Dec. 4 Fog
Fog
9° /4° 0 mm 0 cm
Dec. 5 Fog
Fog
6° /0° 0 mm 0 cm
Dec. 6 Freezing fog
Freezing fog
6° /0° 0 mm 0 cm
Dec. 7 Patchy rain possible
Patchy rain possible
5° /-2° 0 mm 0 cm
Dec. 8 Freezing fog
Freezing fog
11° /0° 0 mm 0 cm
Dec. 9 Fog
Fog
12° /1° 0 mm 0 cm
Dec. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
15° /2° 35.6 mm 0 cm
Dec. 11 Light sleet
Light sleet
10° /2° 13 mm 0 cm
Dec. 12 Partly cloudy
Partly cloudy
7° /0° 0 mm 0 cm
Dec. 13 Overcast
Overcast
6° /2° 0 mm 0 cm
Dec. 14 Cloudy
Cloudy
4° /0° 0 mm 0 cm
Dec. 15 Sunny
Sunny
11° /2° 0 mm 0 cm
Dec. 16 Overcast
Overcast
11° /3° 0 mm 0 cm
Dec. 17 Light rain
Light rain
12° /6° 16.9 mm 0 cm
Dec. 18 Heavy rain
Heavy rain
15° /6° 61.3 mm 0 cm
Dec. 19 Overcast
Overcast
4° /1° 0.1 mm 0.1 cm
Dec. 20 Sunny
Sunny
8° /0° 0 mm 0 cm
Dec. 21 Sunny
Sunny
7° /2° 0 mm 0 cm
Dec. 22 Moderate or heavy rain shower
Moderate or heavy rain shower
8° /0° 6.8 mm 0 cm
Dec. 23 Light freezing rain
Light freezing rain
10° /-4° 5.2 mm 0 cm
Dec. 24 Overcast
Overcast
1° /-3° 0.2 mm 0 cm
Dec. 25 Cloudy
Cloudy
5° /-1° 0 mm 0 cm
Dec. 26 Overcast
Overcast
5° /-1° 0.1 mm 0 cm
Dec. 27 Partly cloudy
Partly cloudy
9° /3° 14.7 mm 0 cm
Dec. 28 Sunny
Sunny
9° /4° 1.9 mm 0 cm
Dec. 29 Partly cloudy
Partly cloudy
12° /4° 1.9 mm 0 cm
Dec. 30 Sunny
Sunny
10° /2° 0 mm 0 cm
Dec. 31 Heavy rain at times
Heavy rain at times
11° /3° 4.9 mm 0 cm
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Important Notice
Our weather forecast for Pennsylvania in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Pennsylvania forecast closer to your planned date for the most up-to-date weather information.

Pennsylvania in December - FAQ

What are the expected maximum and minimum temperatures in Pennsylvania during December?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 0°.
How much rainfall should be expected in Pennsylvania during December?
Significant rainfall exceeding 230.4 mm is expected in Pennsylvania during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Pennsylvania during December?
Pennsylvania experiences an average snowfall of 0.1 cm during December, occurring over 1 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Pennsylvania during December?
The average wind speed in Pennsylvania during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Pennsylvania

Explore the daily rainfall trends and prepare for Pennsylvanias December weather 💧

December snowfall in Pennsylvania

Track daily snowfall levels and discover Pennsylvania’s snowy potential this December ❄️
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Location coordinates Where is Pennsylvania?

Get accurate weather forecasts for Pennsylvania, located at latitude 39.952 and longitude -75.164. Stay updated with localized weather information tailored for Pennsylvania.

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