Nassau County (Glen Cove)
December
Weather in Nassau County, New York for December 2026
Your guide to Nassau County weather in December - trends and predictions
With an average of 3 snowy days, Nassau County usually enjoys a light touch of snow in December.
Nassau County experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 230.9 mm.
Is December a good time to visit Nassau County? check out the best time to travel to Nassau County page.
✨ Is December a good time to visit Nassau County? – Ask the AI Weatherman
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20
Dry days
8
Rainy days
3
Snow days
4°/-1°
Temperatures
23 km/h
Avg max wind
79 %
Avg humidity
Nassau County Weather December
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Temperatures trend during December in Nassau County
See the weather trend as well as the moving average line
December weather in Nassau County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 3° /-1° | 0 mm | 0 cm | |
| Dec. 2 |  Heavy rain | 5° /0° | 67.3 mm | 0 cm | |
| Dec. 3 |  Patchy rain possible | 3° /0° | 0.2 mm | 0 cm | |
| Dec. 4 | Overcast | 4° /-1° | 0.1 mm | 0 cm | |
| Dec. 5 |  Moderate or heavy rain shower | 2° /-3° | 8.9 mm | 0 cm | |
| Dec. 6 | Overcast | 1° /-1° | 0 mm | 0 cm | |
| Dec. 7 |  Sunny | 4° /-1° | 0.1 mm | 0 cm | |
| Dec. 8 | Overcast | 5° /-2° | 0 mm | 0 cm | |
| Dec. 9 | Moderate or heavy rain shower | 5° /-2° | 7.9 mm | 0 cm | |
| Dec. 10 |  Light rain | 8° /4° | 2.5 mm | 0 cm | |
| Dec. 11 | Heavy rain | 9° /3° | 29.1 mm | 0 cm | |
| Dec. 12 | Patchy rain possible | 4° /-2° | 1.7 mm | 0.8 cm | |
| Dec. 13 | Sunny | 2° /-3° | 0 mm | 0 cm | |
| Dec. 14 | Sunny | 1° /-3° | 0 mm | 0 cm | |
| Dec. 15 | Overcast | 1° /-4° | 0 mm | 0 cm | |
| Dec. 16 |  Moderate rain | 6° /0° | 17.3 mm | 0 cm | |
| Dec. 17 | Moderate or heavy rain shower | 8° /3° | 9.1 mm | 0 cm | |
| Dec. 18 | Light rain | 8° /0° | 2.9 mm | 0 cm | |
| Dec. 19 | Moderate rain | 9° /2° | 22.2 mm | 0 cm | |
| Dec. 20 | Patchy rain possible | 3° /-1° | 0.9 mm | 0 cm | |
| Dec. 21 |  Light snow | 3° /-3° | 1.5 mm | 0.6 cm | |
| Dec. 22 | Sunny | -3° /-6° | 0 mm | 0 cm | |
| Dec. 23 | Light snow | 0° /-5° | 2.3 mm | 1 cm | |
| Dec. 24 | Light snow | 4° /-1° | 0.9 mm | 0.6 cm | |
| Dec. 25 | Sunny | 1° /-2° | 0 mm | 0 cm | |
| Dec. 26 | Light snow | -1° /-6° | 3.3 mm | 2.4 cm | |
| Dec. 27 |  Heavy snow | 2° /-3° | 14.3 mm | 10.3 cm | |
| Dec. 28 | Moderate rain | 4° /-2° | 12.6 mm | 0 cm | |
| Dec. 29 | Moderate or heavy rain shower | 10° /3° | 8 mm | 0 cm | |
| Dec. 30 | Moderate rain | 6° /2° | 17.8 mm | 0 cm | |
| Dec. 31 |  Fog | 4° /-1° | 0 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Nassau 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 Nassau County forecast closer to your planned date for the most up-to-date weather information.
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Nassau County in December - FAQ
What are the expected maximum and minimum temperatures in Nassau 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 Nassau County during December?
Significant rainfall exceeding 230.9 mm is expected in Nassau County during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Nassau County in December 2026?
Nassau County experiences an average snowfall of 15.7 cm during December, occurring over 3 days.
What are the typical wind conditions in Nassau County during December?
The average wind speed in Nassau County during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
Nassau County snow forecast December 2026
Track daily snowfall levels and discover Nassau County’s snowy potential this December ❄️
On average, Nassau County sees 3 snowy days during December, with approximately 15.7 cm of total snowfall.
December rainfall patterns in Nassau County
Explore the daily rainfall trends and prepare for Nassau Countys December weather 💧
Typically, Nassau County has 8 rainy days in December with a total of 230.9 mm of rainfall.
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