Dauphin County (Harrisburg)
December
Weather in Dauphin County, Pennsylvania for December 2026
Your guide to Dauphin County weather in December - trends and predictions
With an average of 3 snowy days, Dauphin County usually enjoys a light touch of snow in December.
In general, the average temperature in Dauphin County at the beginning of December is 1.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 5.2 °C by the end of December.
With an average of 5 rainy days, Dauphin County experiences minimal rainfall in December.
Is December a good time to visit Dauphin County? check out the best time to travel to Dauphin County page.
✨ Is December a good time to visit Dauphin County? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
23
Dry days
5
Rainy days
3
Snow days
4°/-2°
Temperatures
18 km/h
Avg max wind
74 %
Avg humidity
Dauphin County Weather December
Move between months or click on a day
Temperatures trend during December in Dauphin County
See the weather trend as well as the moving average line
December weather in Dauphin County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 2 |  Light snow | 3° /-2° | 42.2 mm | 3 cm | |
| Dec. 3 |  Cloudy | 2° /-2° | 0 mm | 0 cm | |
| Dec. 4 | Overcast | 2° /-4° | 0 mm | 0 cm | |
| Dec. 5 |  Partly cloudy | -1° /-5° | 0 mm | 0 cm | |
| Dec. 6 | Overcast | 2° /-3° | 0 mm | 0 cm | |
| Dec. 7 | Overcast | 2° /-2° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 5° /-3° | 0 mm | 0 cm | |
| Dec. 9 |  Light rain | 5° /-4° | 7.1 mm | 0 cm | |
| Dec. 10 |  Moderate rain | 8° /1° | 17.1 mm | 0 cm | |
| Dec. 11 | Light snow | 4° /0° | 14.1 mm | 1.8 cm | |
| Dec. 12 |  Sunny | 3° /-3° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 14 | Overcast | 2° /-4° | 0 mm | 0 cm | |
| Dec. 15 | Overcast | 3° /-4° | 0 mm | 0 cm | |
| Dec. 16 | Moderate rain | 5° /-2° | 11.4 mm | 0 cm | |
| Dec. 17 | Moderate rain | 9° /0° | 14.1 mm | 0 cm | |
| Dec. 18 | Moderate rain | 6° /-2° | 11.1 mm | 0 cm | |
| Dec. 19 |  Light freezing rain | 5° /-1° | 14.1 mm | 0 cm | |
| Dec. 20 | Overcast | 2° /-2° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 1° /-4° | 0 mm | 0 cm | |
| Dec. 23 | Light drizzle | 3° /-2° | 0.1 mm | 0 cm | |
| Dec. 24 |  Patchy rain possible | 5° /1° | 1.3 mm | 0.4 cm | |
| Dec. 25 | Patchy rain possible | 5° /1° | 2.1 mm | 0.6 cm | |
| Dec. 26 | Light rain | 2° /-1° | 3.5 mm | 2 cm | |
| Dec. 27 | Moderate rain | 4° /2° | 10.7 mm | 1.7 cm | |
| Dec. 28 | Moderate rain | 5° /2° | 18.5 mm | 0.5 cm | |
| Dec. 29 | Light rain | 10° /1° | 3 mm | 0 cm | |
| Dec. 30 | Light rain | 6° /1° | 5.6 mm | 0 cm | |
| Dec. 31 | Patchy rain possible | 5° /-2° | 2.3 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Dauphin County 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 Dauphin County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Dauphin County in December - FAQ
What are the expected maximum and minimum temperatures in Dauphin County during December?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Dauphin County during December?
Significant rainfall exceeding 178.3 mm is expected in Dauphin County during December, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Dauphin County in December 2026?
Dauphin County experiences an average snowfall of 9.9 cm during December, occurring over 3 days.
What are the typical wind conditions in Dauphin County during December?
The average wind speed in Dauphin County during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Dauphin County snow forecast December 2026
Track daily snowfall levels and discover Dauphin County’s snowy potential this December ❄️
On average, Dauphin County sees 3 snowy days during December, with approximately 9.9 cm of total snowfall.
December rainfall patterns in Dauphin County
Explore the daily rainfall trends and prepare for Dauphin Countys December weather 💧
Typically, Dauphin County has 5 rainy days in December with a total of 178.3 mm of rainfall.
Top locations in Dauphin County
Select a location for an accurate weather forecast
More Locations Quick links
More Dauphin County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.