Pennsylvania
December
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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24
Dry days
6
Rainy days
1
Snow days
10°/0°
Temperatures
16 km/h
Avg max wind
71 %
Avg humidity
Pennsylvania in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | ||||||
| 2  12° | 3  16° | 4 9° | 5 6° | 6  6° | 7 5° | 8 11° |
| 9 12° | 10  15° | 11  10° | 12  7° | 13 6° | 14  4° | 15  11° |
| 16 11° | 17  12° | 18  15° | 19 4° | 20 8° | 21 7° | 22 8° |
| 23  10° | 24 1° | 25 5° | 26 5° | 27 9° | 28 9° | 29 12° |
| 30 10° | 31  11° |
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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 | 9° /3° | 1.5 mm | 0 cm | |
| Dec. 2 | Fog | 12° /6° | 0 mm | 0 cm | |
| Dec. 3 | Light rain shower | 16° /7° | 30.2 mm | 0 cm | |
| Dec. 4 | Fog | 9° /4° | 0 mm | 0 cm | |
| Dec. 5 | Fog | 6° /0° | 0 mm | 0 cm | |
| Dec. 6 | Freezing fog | 6° /0° | 0 mm | 0 cm | |
| Dec. 7 | Patchy rain possible | 5° /-2° | 0 mm | 0 cm | |
| Dec. 8 | Freezing fog | 11° /0° | 0 mm | 0 cm | |
| Dec. 9 | Fog | 12° /1° | 0 mm | 0 cm | |
| Dec. 10 | Moderate or heavy rain shower | 15° /2° | 35.6 mm | 0 cm | |
| Dec. 11 | Light sleet | 10° /2° | 13 mm | 0 cm | |
| Dec. 12 | Partly cloudy | 7° /0° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 6° /2° | 0 mm | 0 cm | |
| Dec. 14 | Cloudy | 4° /0° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 11° /2° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 11° /3° | 0 mm | 0 cm | |
| Dec. 17 | Light rain | 12° /6° | 16.9 mm | 0 cm | |
| Dec. 18 | Heavy rain | 15° /6° | 61.3 mm | 0 cm | |
| Dec. 19 | Overcast | 4° /1° | 0.1 mm | 0.1 cm | |
| Dec. 20 | Sunny | 8° /0° | 0 mm | 0 cm | |
| Dec. 21 | Sunny | 7° /2° | 0 mm | 0 cm | |
| Dec. 22 | Moderate or heavy rain shower | 8° /0° | 6.8 mm | 0 cm | |
| Dec. 23 | Light freezing rain | 10° /-4° | 5.2 mm | 0 cm | |
| Dec. 24 | Overcast | 1° /-3° | 0.2 mm | 0 cm | |
| Dec. 25 | Cloudy | 5° /-1° | 0 mm | 0 cm | |
| Dec. 26 | Overcast | 5° /-1° | 0.1 mm | 0 cm | |
| Dec. 27 | Partly cloudy | 9° /3° | 14.7 mm | 0 cm | |
| Dec. 28 | Sunny | 9° /4° | 1.9 mm | 0 cm | |
| Dec. 29 | Partly cloudy | 12° /4° | 1.9 mm | 0 cm | |
| Dec. 30 | Sunny | 10° /2° | 0 mm | 0 cm | |
| Dec. 31 | 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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