Morris County (Parsippany)
December
Weather in Morris County for December 2025
Your guide to Morris County weather in December - trends and predictions
With an average of 3 snowy days, Morris County usually enjoys a light touch of snow in December.
In general, the average temperature in Morris County at the beginning of December is 4.7 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 7.1 °F by the end of December.
Morris County experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 209.9 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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20
Dry days
8
Rainy days
3
Snow days
7°/1°
Temperatures
15 km/h
Avg max wind
74 %
Avg humidity
Morris County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  4° | 2 8° | 3  7° | 4  5° | 5 3° | 6 3° | |
| 7 3° | 8  8° | 9 7° | 10 11° | 11  11° | 12  5° | 13 3° |
| 14 3° | 15  6° | 16 9° | 17  10° | 18 10° | 19  4° | 20 5° |
| 21 3° | 22 1° | 23 3° | 24 4° | 25 7° | 26 5° | 27  6° |
| 28 7° | 29 10° | 30 9° | 31 6° |
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Temperatures trend during December in Morris County
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 | Mist | 4° /-1° | 0.6 mm | 0 cm | |
| Dec. 2 | Fog | 8° /1° | 0 mm | 0 cm | |
| Dec. 3 | Light rain shower | 7° /2° | 20.6 mm | 0 cm | |
| Dec. 4 | Overcast | 5° /0° | 0 mm | 0 cm | |
| Dec. 5 | Overcast | 3° /0° | 9.9 mm | 7.1 cm | |
| Dec. 6 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 7 | Patchy rain possible | 3° /-2° | 0 mm | 0 cm | |
| Dec. 8 | Freezing fog | 8° /-1° | 0 mm | 0 cm | |
| Dec. 9 | Fog | 7° /0° | 11.6 mm | 0 cm | |
| Dec. 10 | Light rain shower | 11° /4° | 17.8 mm | 0 cm | |
| Dec. 11 | Heavy snow | 11° /3° | 36 mm | 0.4 cm | |
| Dec. 12 | Partly cloudy | 5° /-2° | 5.7 mm | 0 cm | |
| Dec. 13 | Partly cloudy | 3° /-2° | 0 mm | 0 cm | |
| Dec. 14 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 6° /-2° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 9° /1° | 24.6 mm | 0 cm | |
| Dec. 17 | Light rain | 10° /5° | 26.4 mm | 0 cm | |
| Dec. 18 | Light rain shower | 10° /3° | 38.5 mm | 0 cm | |
| Dec. 19 | Light snow | 4° /0° | 4.5 mm | 0.1 cm | |
| Dec. 20 | Sunny | 5° /-1° | 5 mm | 3.6 cm | |
| Dec. 21 | Sunny | 3° /-3° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 1° /-5° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 3° /-4° | 0 mm | 0 cm | |
| Dec. 24 | Patchy rain possible | 4° /-1° | 0.4 mm | 0 cm | |
| Dec. 25 | Partly cloudy | 7° /0° | 0 mm | 0 cm | |
| Dec. 26 | Mist | 5° /-1° | 0 mm | 0 cm | |
| Dec. 27 | Moderate rain | 6° /0° | 13.8 mm | 0 cm | |
| Dec. 28 | Light drizzle | 7° /3° | 35.4 mm | 0.5 cm | |
| Dec. 29 | Patchy rain possible | 10° /5° | 0.5 mm | 0 cm | |
| Dec. 30 | Patchy rain possible | 9° /3° | 21.9 mm | 0 cm | |
| Dec. 31 | Sunny | 6° /1° | 1.2 mm | 0 cm | |
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Important Notice
Our weather forecast for Morris 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 Morris County forecast closer to your planned date for the most up-to-date weather information.
Morris County in December - FAQ
What are the expected maximum and minimum temperatures in Morris County during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 1°.
How much rainfall should be expected in Morris County during December?
Significant rainfall exceeding 209.9 mm is expected in Morris County during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Morris County in December 2025?
Morris County experiences an average snowfall of 8.02 cm during December, occurring over 3 days.
What are the typical wind conditions in Morris County during December?
The average wind speed in Morris County during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
Morris County snow forecast December 2025
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December rainfall patterns in Morris County
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Where is Morris County?Get accurate weather forecasts for Morris County, located at latitude 40.858 and longitude -74.426. Stay updated with localized weather information tailored for Morris County.
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