Sussex County (Newton)
December
Weather in Sussex County, New Jersey for December 2026
Your guide to Sussex County weather in December - trends and predictions
With an average of 4 snowy days, Sussex County usually enjoys a light touch of snow in December.
Is December a good time to visit Sussex County? check out the best time to travel to Sussex County page.
✨ Is December a good time to visit Sussex County? – Ask the AI Weatherman
Snow Forecast ❄️
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21
Dry days
6
Rainy days
4
Snow days
2°/-3°
Temperatures
17 km/h
Avg max wind
71 %
Avg humidity
Sussex County Weather December
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Temperatures trend during December in Sussex County
See the weather trend as well as the moving average line
December weather in Sussex County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 1° /-2° | 0 mm | 0 cm | |
| Dec. 2 |  Heavy snow | 1° /-3° | 61 mm | 10.2 cm | |
| Dec. 3 |  Partly cloudy | 2° /-2° | 0 mm | 0 cm | |
| Dec. 4 | Overcast | 1° /-3° | 0 mm | 0 cm | |
| Dec. 5 |  Moderate snow | -2° /-5° | 8.5 mm | 6.2 cm | |
| Dec. 6 | Overcast | -1° /-4° | 0 mm | 0 cm | |
| Dec. 7 | Partly cloudy | 2° /-2° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 9 |  Heavy rain at times | 1° /-5° | 11.8 mm | 0 cm | |
| Dec. 10 |  Light snow | 4° /1° | 5.6 mm | 2.1 cm | |
| Dec. 11 |  Heavy rain | 7° /1° | 28.9 mm | 0 cm | |
| Dec. 12 | Light snow | 1° /-4° | 4.4 mm | 3.2 cm | |
| Dec. 13 |  Sunny | 0° /-4° | 0 mm | 0 cm | |
| Dec. 14 | Sunny | -1° /-6° | 0 mm | 0 cm | |
| Dec. 15 | Overcast | -2° /-7° | 0 mm | 0 cm | |
| Dec. 16 |  Moderate rain | 4° /-3° | 22 mm | 0 cm | |
| Dec. 17 | Moderate rain | 5° /0° | 19.7 mm | 0 cm | |
| Dec. 18 |  Light rain | 4° /-4° | 5.2 mm | 0 cm | |
| Dec. 19 | Heavy rain | 7° /-1° | 35 mm | 0 cm | |
| Dec. 20 | Light snow | 0° /-3° | 3.7 mm | 2.7 cm | |
| Dec. 21 | Overcast | 1° /-5° | 0 mm | 0 cm | |
| Dec. 22 | Sunny | -2° /-7° | 0 mm | 0 cm | |
| Dec. 23 | Light snow | -1° /-6° | 5.4 mm | 3.9 cm | |
| Dec. 24 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 25 | Partly cloudy | 1° /-2° | 0 mm | 0 cm | |
| Dec. 26 | Moderate snow | -2° /-6° | 8.4 mm | 6 cm | |
| Dec. 27 | Moderate snow | -1° /-6° | 12.7 mm | 9.2 cm | |
| Dec. 28 | Heavy rain | 2° /-4° | 26.4 mm | 0.6 cm | |
| Dec. 29 | Light rain | 8° /0° | 7.3 mm | 0 cm | |
| Dec. 30 | Moderate rain | 5° /0° | 18.9 mm | 0 cm | |
| Dec. 31 |  Freezing fog | 3° /-3° | 0.9 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Sussex 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 Sussex County forecast closer to your planned date for the most up-to-date weather information.
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Sussex County in December - FAQ
What are the expected maximum and minimum temperatures in Sussex County during December?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Sussex County during December?
Significant rainfall exceeding 285.5 mm is expected in Sussex County during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Sussex County in December 2026?
Sussex County experiences an average snowfall of 44 cm during December, occurring over 4 days.
What are the typical wind conditions in Sussex County during December?
The average wind speed in Sussex County during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Sussex County snow forecast December 2026
Track daily snowfall levels and discover Sussex County’s snowy potential this December ❄️
On average, Sussex County sees 4 snowy days during December, with approximately 44 cm of total snowfall.
December rainfall patterns in Sussex County
Explore the daily rainfall trends and prepare for Sussex Countys December weather 💧
Typically, Sussex County has 6 rainy days in December with a total of 285.5 mm of rainfall.
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