Harrisburg
December
Weather in Harrisburg for December 2025
Your guide to Harrisburg weather in December - trends and predictions
Snowfall in Harrisburg during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Harrisburg at the beginning of December is 2 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7.3 °F by the end of December.
Harrisburg experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 126.2 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
1
Snow days
6°/0°
Temperatures
17 km/h
Avg max wind
73 %
Avg humidity
Harrisburg in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  3° | 2  4° | 3  2° | 4 2° | 5 1° | 6 0° | |
| 7 2° | 8 9° | 9  8° | 10  11° | 11  6° | 12  4° | 13 3° |
| 14 3° | 15 6° | 16 7° | 17  12° | 18 8° | 19  3° | 20 4° |
| 21 3° | 22 2° | 23 3° | 24 5° | 25 6° | 26 4° | 27  7° |
| 28 7° | 29 11° | 30 9° | 31 7° |
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Temperatures trend during December in Harrisburg
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 | 3° /-5° | 0 mm | 0 cm | |
| Dec. 2 | Partly cloudy | 4° /-3° | 0 mm | 0 cm | |
| Dec. 3 | Cloudy | 2° /-1° | 0 mm | 0 cm | |
| Dec. 4 | Overcast | 2° /-3° | 0 mm | 0 cm | |
| Dec. 5 | Partly cloudy | 1° /-2° | 0 mm | 0 cm | |
| Dec. 6 | Overcast | 0° /-2° | 0 mm | 0 cm | |
| Dec. 7 | Overcast | 2° /-3° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 9° /0° | 0 mm | 0 cm | |
| Dec. 9 | Fog | 8° /-1° | 10.6 mm | 0 cm | |
| Dec. 10 | Light rain shower | 11° /2° | 25.6 mm | 0 cm | |
| Dec. 11 | Moderate snow | 6° /1° | 21.2 mm | 2.7 cm | |
| Dec. 12 | Sunny | 4° /-3° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 14 | Overcast | 3° /-4° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 6° /-3° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 7° /0° | 17.1 mm | 0 cm | |
| Dec. 17 | Light rain | 12° /2° | 21.2 mm | 0 cm | |
| Dec. 18 | Light drizzle | 8° /0° | 16.7 mm | 0 cm | |
| Dec. 19 | Light freezing rain | 3° /0° | 1.4 mm | 0 cm | |
| Dec. 20 | Sunny | 4° /-1° | 0 mm | 0 cm | |
| Dec. 21 | Sunny | 3° /-2° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 2° /-4° | 0 mm | 0 cm | |
| Dec. 23 | Light drizzle | 3° /-4° | 0.2 mm | 0 cm | |
| Dec. 24 | Patchy rain possible | 5° /0° | 1.9 mm | 0.6 cm | |
| Dec. 25 | Partly cloudy | 6° /1° | 0 mm | 0 cm | |
| Dec. 26 | Light drizzle | 4° /1° | 1.2 mm | 0 cm | |
| Dec. 27 | Moderate rain | 7° /3° | 12.6 mm | 0 cm | |
| Dec. 28 | Patchy rain possible | 7° /4° | 27.7 mm | 0.8 cm | |
| Dec. 29 | Light drizzle | 11° /3° | 4.5 mm | 0 cm | |
| Dec. 30 | Overcast | 9° /3° | 8.4 mm | 0 cm | |
| Dec. 31 | Cloudy | 7° /-1° | 3.5 mm | 0 cm | |
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Important Notice
Our weather forecast for Harrisburg 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 Harrisburg forecast closer to your planned date for the most up-to-date weather information.
Harrisburg in December - FAQ
What are the expected maximum and minimum temperatures in Harrisburg during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below 0°.
How much rainfall should be expected in Harrisburg during December?
Significant rainfall exceeding 126.2 mm is expected in Harrisburg during December, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Harrisburg in December 2025?
Harrisburg typically sees 2.05 cm of snowfall during December.
What are the typical wind conditions in Harrisburg during December?
The average wind speed in Harrisburg during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Harrisburg snow forecast December 2025
Track daily snowfall levels and discover Harrisburg’s snowy potential this December ❄️
December rainfall patterns in Harrisburg
Explore the daily rainfall trends and prepare for Harrisburgs December weather 💧
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