Parsippany (NJ)
December
Weather in Parsippany, New Jersey for December 2026
Your guide to Parsippany weather in December - trends and predictions
With an average of 3 snowy days, Parsippany usually enjoys a light touch of snow in December.
In general, the average temperature in Parsippany at the beginning of December is 3.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 4.8 °C by the end of December.
Parsippany experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 267.5 mm.
Is December a good time to visit Parsippany? check out the best time to travel to Parsippany page.
✨ Is December a good time to visit Parsippany? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
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21
Dry days
7
Rainy days
3
Snow days
4°/-1°
Temperatures
16 km/h
Avg max wind
76 %
Avg humidity
Parsippany Weather December
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Temperatures trend during December in Parsippany
See the weather trend as well as the moving average line
December weather in Parsippany day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Mist | 4° /0° | 0.4 mm | 0 cm | |
| Dec. 2 |  Heavy rain | 6° /1° | 43.2 mm | 0 cm | |
| Dec. 3 |  Moderate rain | 6° /1° | 13.8 mm | 0 cm | |
| Dec. 4 |  Overcast | 4° /-1° | 0 mm | 0 cm | |
| Dec. 5 |  Light snow | 1° /-2° | 6.6 mm | 4.8 cm | |
| Dec. 6 | Overcast | 2° /-2° | 0 mm | 0 cm | |
| Dec. 7 |  Patchy rain possible | 2° /-2° | 0 mm | 0 cm | |
| Dec. 8 |  Freezing fog | 5° /-2° | 0 mm | 0 cm | |
| Dec. 9 |  Light rain | 4° /-2° | 7.8 mm | 0 cm | |
| Dec. 10 | Moderate rain | 8° /2° | 14 mm | 0 cm | |
| Dec. 11 | Moderate rain | 8° /2° | 24 mm | 0.2 cm | |
| Dec. 12 | Light rain | 3° /-2° | 3.8 mm | 0 cm | |
| Dec. 13 |  Partly cloudy | 2° /-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 | 6° /-1° | 16.4 mm | 0 cm | |
| Dec. 17 | Moderate rain | 7° /2° | 17.6 mm | 0 cm | |
| Dec. 18 | Heavy rain | 8° /0° | 25.6 mm | 0 cm | |
| Dec. 19 | Moderate rain | 6° /0° | 21.4 mm | 0.1 cm | |
| Dec. 20 | Light snow | 3° /-2° | 3.3 mm | 2.4 cm | |
| Dec. 21 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 1° /-4° | 0 mm | 0 cm | |
| Dec. 23 | Light snow | 2° /-3° | 3 mm | 2.2 cm | |
| Dec. 24 | Patchy rain possible | 4° /-1° | 0.3 mm | 0 cm | |
| Dec. 25 | Patchy rain possible | 5° /0° | 1.4 mm | 0.4 cm | |
| Dec. 26 | Light snow | 2° /-3° | 4.1 mm | 3 cm | |
| Dec. 27 | Moderate rain | 4° /-1° | 18.2 mm | 6.5 cm | |
| Dec. 28 | Moderate rain | 5° /1° | 23.6 mm | 0.3 cm | |
| Dec. 29 | Light rain | 9° /3° | 3.5 mm | 0 cm | |
| Dec. 30 | Moderate rain | 5° /1° | 14.6 mm | 0 cm | |
| Dec. 31 |  Sunny | 4° /-1° | 0.8 mm | 0 cm | |
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Important Notice
Our weather forecast for Parsippany 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 Parsippany forecast closer to your planned date for the most up-to-date weather information.
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Parsippany in December - FAQ
What are the expected maximum and minimum temperatures in Parsippany 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 Parsippany during December?
Significant rainfall exceeding 267.5 mm is expected in Parsippany during December, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Parsippany in December 2026?
Parsippany experiences an average snowfall of 19.9 cm during December, occurring over 3 days.
What are the typical wind conditions in Parsippany during December?
The average wind speed in Parsippany during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Parsippany snow forecast December 2026
Track daily snowfall levels and discover Parsippany’s snowy potential this December ❄️
On average, Parsippany sees 3 snowy days during December, with approximately 19.9 cm of total snowfall.
December rainfall patterns in Parsippany
Explore the daily rainfall trends and prepare for Parsippanys December weather 💧
Typically, Parsippany has 7 rainy days in December with a total of 267.5 mm of rainfall.
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