Passaic County (Paterson)
December
Weather in Passaic County for December 2025
Your guide to Passaic County weather in December - trends and predictions
With an average of 2 snowy days, Passaic County usually enjoys a light touch of snow in December.
In general, the average temperature in Passaic County at the beginning of December is 5.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 7.4 °F by the end of December.
Passaic County experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 199.6 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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20
Dry days
9
Rainy days
2
Snow days
7°/2°
Temperatures
15 km/h
Avg max wind
72 %
Avg humidity
Passaic County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  4° | 2  8° | 3  8° | 4 5° | 5 4° | 6  3° | |
| 7 4° | 8  7° | 9 7° | 10 12° | 11  12° | 12  5° | 13 3° |
| 14 3° | 15  6° | 16 10° | 17 11° | 18  10° | 19  5° | 20 4° |
| 21 3° | 22 1° | 23 3° | 24 4° | 25  6° | 26 5° | 27  6° |
| 28 8° | 29 11° | 30 9° | 31 7° |
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Temperatures trend during December in Passaic County
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 | Overcast | 4° /-1° | 0 mm | 0 cm | |
| Dec. 2 | Fog | 8° /1° | 0 mm | 0 cm | |
| Dec. 3 | Moderate or heavy rain with thunder | 8° /2° | 19 mm | 0 cm | |
| Dec. 4 | Overcast | 5° /1° | 0 mm | 0 cm | |
| Dec. 5 | Overcast | 4° /0° | 10.5 mm | 7.6 cm | |
| Dec. 6 | Patchy rain possible | 3° /-2° | 0 mm | 0 cm | |
| Dec. 7 | Overcast | 4° /-3° | 0 mm | 0 cm | |
| Dec. 8 | Freezing fog | 7° /-1° | 0 mm | 0 cm | |
| Dec. 9 | Fog | 7° /0° | 12 mm | 0 cm | |
| Dec. 10 | Light rain shower | 12° /3° | 13.9 mm | 0 cm | |
| Dec. 11 | Light sleet | 12° /4° | 42.1 mm | 0 cm | |
| Dec. 12 | Partly cloudy | 5° /-2° | 6 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 | 10° /2° | 28.4 mm | 0 cm | |
| Dec. 17 | Light rain shower | 11° /5° | 22.1 mm | 0 cm | |
| Dec. 18 | Heavy rain | 10° /4° | 35.6 mm | 0 cm | |
| Dec. 19 | Light snow | 5° /0° | 4.7 mm | 0.1 cm | |
| Dec. 20 | Sunny | 4° /-1° | 1.7 mm | 0.7 cm | |
| Dec. 21 | Sunny | 3° /-3° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 1° /-5° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 3° /-5° | 0 mm | 0 cm | |
| Dec. 24 | Patchy rain possible | 4° /-2° | 0.4 mm | 0 cm | |
| Dec. 25 | Cloudy | 6° /-1° | 0 mm | 0 cm | |
| Dec. 26 | Mist | 5° /-1° | 0 mm | 0 cm | |
| Dec. 27 | Light rain | 6° /1° | 10.7 mm | 0 cm | |
| Dec. 28 | Light drizzle | 8° /4° | 31.1 mm | 0 cm | |
| Dec. 29 | Patchy rain possible | 11° /5° | 1.5 mm | 0 cm | |
| Dec. 30 | Patchy rain possible | 9° /4° | 23.9 mm | 0 cm | |
| Dec. 31 | Partly cloudy | 7° /1° | 2.8 mm | 0 cm | |
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Important Notice
Our weather forecast for Passaic 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 Passaic County forecast closer to your planned date for the most up-to-date weather information.
Passaic County in December - FAQ
What are the expected maximum and minimum temperatures in Passaic County during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 2°.
How much rainfall should be expected in Passaic County during December?
Significant rainfall exceeding 199.6 mm is expected in Passaic County during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Passaic County in December 2025?
Passaic County experiences an average snowfall of 7.725 cm during December, occurring over 2 days.
What are the typical wind conditions in Passaic County during December?
The average wind speed in Passaic County during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
Passaic County snow forecast December 2025
Track daily snowfall levels and discover Passaic County’s snowy potential this December ❄️
December rainfall patterns in Passaic County
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Where is Passaic County?Get accurate weather forecasts for Passaic County, located at latitude 40.917 and longitude -74.172. Stay updated with localized weather information tailored for Passaic County.
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