Parsippany
December
Weather in Parsippany for December 2025
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 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.
Parsippany 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
Parsippany in December average weather
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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 Parsippany
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 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.
Parsippany in December - FAQ
What are the expected maximum and minimum temperatures in Parsippany during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 1°.
How much rainfall should be expected in Parsippany during December?
Significant rainfall exceeding 209.9 mm is expected in Parsippany during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Parsippany in December 2025?
Parsippany experiences an average snowfall of 8.02 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 15 km/h, suggesting breezy to windy conditions, depending on your activities.
Parsippany snow forecast December 2025
Track daily snowfall levels and discover Parsippany’s snowy potential this December ❄️
December rainfall patterns in Parsippany
Explore the daily rainfall trends and prepare for Parsippanys December weather 💧
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