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United States weather

Weather in Somerset County, New Jersey for December 2025

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

    Snow Forecast ❄️

  • Somerset County typically experiences moderate snowfall in December, with an average of 7 snowy days.

    • Temperatures

  • In general, the average temperature in Somerset County at the beginning of December is 2.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 6 °F by the end of December.

    • More

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Average dry days
14
Dry days
Average rainy days
10
Rainy days
Average snowy days
7
Snow days
Average temperatures
4°/-2°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Somerset County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
2°
2
Sunny
4°
3
Patchy rain possible
3°
4
Overcast
2°
5
Moderate rain at times
2°
6
Cloudy
2°
7
Sunny
4°
8
Overcast
10°
9
Moderate or heavy rain shower
6°
10
Overcast
9°
11
Moderate or heavy rain shower
14°
12
Sunny
4°
13
Sunny
0°
14
Partly cloudy
1°
15
Overcast
1°
16
Moderate or heavy rain shower
7°
17
Heavy rain at times
12°
18
Patchy rain possible
6°
19
Overcast
5°
20
Moderate or heavy rain shower
1°
21
Patchy moderate snow
0°
22
Sunny
-5°
23
Partly cloudy
-3°
24
Moderate snow
1°
25
Sunny
2°
26
Sunny
2°
27
Partly cloudy
2°
28
Moderate or heavy snow showers
5°
29
Patchy rain possible
12°
30
Moderate or heavy rain shower
12°
31
Freezing fog
7°

Temperatures trend during December in Somerset County

See the weather trend as well as the moving average line

December weather in Somerset County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
 2° /-4° 0 mm 0 cm
Dec. 2 Sunny
Sunny
 4° /-4° 0 mm 0 cm
Dec. 3 Patchy rain possible
Patchy rain possible
 3° /-2° 0.3 mm 0 cm
Dec. 4 Overcast
Overcast
 2° /-4° 0.1 mm 0 cm
Dec. 5 Moderate rain at times
Moderate rain at times
 2° /-2° 9.1 mm 0.4 cm
Dec. 6 Cloudy
Cloudy
 2° /-3° 0 mm 0 cm
Dec. 7 Sunny
Sunny
 4° /-3° 0 mm 0 cm
Dec. 8 Overcast
Overcast
 10° /0° 0 mm 0 cm
Dec. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /0° 15.5 mm 0 cm
Dec. 10 Overcast
Overcast
 9° /5° 4.4 mm 0 cm
Dec. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /6° 43.6 mm 0 cm
Dec. 12 Sunny
Sunny
 4° /-3° 3.7 mm 1.8 cm
Dec. 13 Sunny
Sunny
 0° /-4° 0 mm 0 cm
Dec. 14 Partly cloudy
Partly cloudy
 1° /-5° 0 mm 0 cm
Dec. 15 Overcast
Overcast
 1° /-4° 1.3 mm 0.7 cm
Dec. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /1° 19.2 mm 0 cm
Dec. 17 Heavy rain at times
Heavy rain at times
 12° /5° 16.8 mm 0 cm
Dec. 18 Patchy rain possible
Patchy rain possible
 6° /1° 4.1 mm 0 cm
Dec. 19 Overcast
Overcast
 5° /1° 1 mm 0 cm
Dec. 20 Moderate or heavy rain shower
Moderate or heavy rain shower
 1° /0° 6.3 mm 0.4 cm
Dec. 21 Patchy moderate snow
Patchy moderate snow
 0° /-5° 4.4 mm 2.8 cm
Dec. 22 Sunny
Sunny
 -5° /-9° 0 mm 0 cm
Dec. 23 Partly cloudy
Partly cloudy
 -3° /-11° 0 mm 0 cm
Dec. 24 Moderate snow
Moderate snow
 1° /-5° 1.8 mm 1.2 cm
Dec. 25 Sunny
Sunny
 2° /-2° 0 mm 0 cm
Dec. 26 Sunny
Sunny
 2° /-6° 0 mm 0 cm
Dec. 27 Partly cloudy
Partly cloudy
 2° /-6° 0 mm 0 cm
Dec. 28 Moderate or heavy snow showers
Moderate or heavy snow showers
 5° /0° 34.3 mm 4 cm
Dec. 29 Patchy rain possible
Patchy rain possible
 12° /4° 1.9 mm 0 cm
Dec. 30 Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /5° 17 mm 0 cm
Dec. 31 Freezing fog
Freezing fog
 7° /0° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Somerset 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 Somerset County forecast closer to your planned date for the most up-to-date weather information.
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Somerset County in December - FAQ

What are the expected maximum and minimum temperatures in Somerset 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 Somerset County during December?
Significant rainfall exceeding 184.9 mm is expected in Somerset County during December, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Somerset County in December 2025?
Somerset County experiences an average snowfall of 11.3 cm during December, occurring over 7 days.
What are the typical wind conditions in Somerset County during December?
The average wind speed in Somerset County during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Somerset County snow forecast December 2025

Track daily snowfall levels and discover Somerset County’s snowy potential this December ❄️

December rainfall patterns in Somerset County

Explore the daily rainfall trends and prepare for Somerset Countys December weather 💧
Top locations in Somerset County
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Bridgewater
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Location coordinates Where is Somerset County?

Get accurate weather forecasts for Somerset County, located at latitude 40.601 and longitude -74.648. Stay updated with localized weather information tailored for Somerset County.

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