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Morris County (Parsippany)
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United States weather

Weather in Morris County, New Jersey for December 2025

Your guide to Morris County weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 4 snowy days, Morris County usually enjoys a light touch of snow in December.
    According to Morris County snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, December 2025 in Morris County is cooler than usual, with temperatures averaging 1.1 °F, this is -3.4 °F below the typical seasonal average.

  • Expect cooler weather in the next days in Morris County with the forecast suggesting a temperature of 3.6 °F, lower than the historical average.

  • In general, the average temperature in Morris County at the beginning of December is 4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 4.7 °F by the end of December.

    • More

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Average dry days
16
Dry days
Average rainy days
11
Rainy days
Average snowy days
4
Snow days
Average temperatures
6°/0°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Morris County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Mist
4°
2
Fog
6°
3
Light rain shower
6°
4
Overcast
5°
5
Overcast
2°
6
Overcast
2°
7
Patchy rain possible
3°
8
Freezing fog
6°
9
Fog
5°
10
Light rain shower
8°
11
Heavy snow
8°
12
Partly cloudy
4°
13
Partly cloudy
2°
14
Overcast
2°
15
Sunny
6°
16
Sunny
2°
17
Overcast
3°
18
Mist
2°
19
Moderate rain
13°
20
Partly cloudy
1°
21
Sunny
7°
22
Overcast
1°
23
Light freezing rain
1°
24
Patchy rain possible
9°
25
Partly cloudy
3°
26
Moderate rain
8°
27
Sunny
-1°
28
Sunny
-2°
29
Patchy rain possible
10°
30
Patchy rain possible
9°
31
Sunny
6°

Temperatures trend during December in Morris County

See the weather trend as well as the moving average line

December weather in Morris County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Mist
Mist
 4° /-1° 0.4 mm 0 cm
Dec. 2 Fog
Fog
 6° /0° 43.2 mm 0 cm
Dec. 3 Light rain shower
Light rain shower
 6° /1° 13.8 mm 0 cm
Dec. 4 Overcast
Overcast
 5° /-1° 0 mm 0 cm
Dec. 5 Overcast
Overcast
 2° /-2° 6.6 mm 4.8 cm
Dec. 6 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Dec. 7 Patchy rain possible
Patchy rain possible
 3° /-2° 0 mm 0 cm
Dec. 8 Freezing fog
Freezing fog
 6° /-2° 0 mm 0 cm
Dec. 9 Fog
Fog
 5° /-3° 7.8 mm 0 cm
Dec. 10 Light rain shower
Light rain shower
 8° /2° 14 mm 0 cm
Dec. 11 Heavy snow
Heavy snow
 8° /1° 24 mm 0.2 cm
Dec. 12 Partly cloudy
Partly cloudy
 4° /-3° 3.8 mm 0 cm
Dec. 13 Partly cloudy
Partly cloudy
 2° /-3° 0 mm 0 cm
Dec. 14 Overcast
Overcast
 2° /-4° 0 mm 0 cm
Dec. 15 Sunny
Sunny
 6° /-2° 0 mm 0 cm
Dec. 16 Sunny
Sunny
 2° /-9° 0 mm 0 cm
Dec. 17 Overcast
Overcast
 3° /-4° 0 mm 0 cm
Dec. 18 Mist
Mist
 2° /-3° 0.1 mm 0 cm
Dec. 19 Moderate rain
Moderate rain
 13° /-3° 17.8 mm 0 cm
Dec. 20 Partly cloudy
Partly cloudy
 1° /-4° 0 mm 0 cm
Dec. 21 Sunny
Sunny
 7° /0° 0 mm 0 cm
Dec. 22 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Dec. 23 Light freezing rain
Light freezing rain
 1° /-2° 0.2 mm 0 cm
Dec. 24 Patchy rain possible
Patchy rain possible
 9° /3° 0.2 mm 0 cm
Dec. 25 Partly cloudy
Partly cloudy
 3° /-1° 0 mm 0 cm
Dec. 26 Moderate rain
Moderate rain
 8° /2° 10.5 mm 0 cm
Dec. 27 Sunny
Sunny
 -1° /-5° 0 mm 0 cm
Dec. 28 Sunny
Sunny
 -2° /-6° 0 mm 0 cm
Dec. 29 Patchy rain possible
Patchy rain possible
 10° /5° 0.5 mm 0 cm
Dec. 30 Patchy rain possible
Patchy rain possible
 9° /3° 21.9 mm 0 cm
Dec. 31 Sunny
Sunny
 6° /1° 1.2 mm 0 cm
Next
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.
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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 6° and colder nights, dipping below 0°.
How much rainfall should be expected in Morris County during December?
Significant rainfall exceeding 274.4 mm is expected in Morris County during December, occurring over more than 11 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 11.67 cm during December, occurring over 4 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

Track daily snowfall levels and discover Morris County’s snowy potential this December ❄️
On average, Morris County sees 4 snowy days during December, with approximately 11.7 cm of total snowfall.

December rainfall patterns in Morris County

Explore the daily rainfall trends and prepare for Morris Countys December weather 💧
Typically, Morris County has 11 rainy days in December with a total of 274.4 mm of rainfall.
Top locations in Morris County
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Parsippany
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Location coordinates 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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