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Weather in Nassau County, New York for January 2026

Your guide to Nassau County weather in January - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Nassau County usually enjoys a light touch of snow in January.

  • Temperatures

  • In general, the average temperature in Nassau County at the beginning of January is 2.1 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 2 °F by the end of January.

  • Rain 🌧️

  • With an average of 5 rainy days, Nassau County experiences minimal rainfall in January.

  • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
5
Rainy days
Average snowy days
3
Snow days
Average temperatures
1°/-4°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Nassau County Weather January

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Temperatures trend during January in Nassau County

See the weather trend as well as the moving average line

January weather in Nassau County day by day

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Date Weather Temperatures Rain Snow More
Jan. 1 Patchy rain possible
Patchy rain possible
9° /4° 36.5 mm 0 cm
Jan. 2 Sunny
Sunny
5° /0° 0 mm 0 cm
Jan. 3 Partly cloudy
Partly cloudy
2° /-2° 0 mm 0 cm
Jan. 4 Cloudy
Cloudy
0° /-3° 0 mm 0 cm
Jan. 5 Sunny
Sunny
1° /-5° 0 mm 0 cm
Jan. 6 Light freezing rain
Light freezing rain
-1° /-3° 1.6 mm 0 cm
Jan. 7 Cloudy
Cloudy
-1° /-5° 0 mm 0 cm
Jan. 8 Overcast
Overcast
0° /-4° 0 mm 0 cm
Jan. 9 Sunny
Sunny
0° /-6° 0 mm 0 cm
Jan. 10 Sunny
Sunny
3° /-4° 0 mm 0 cm
Jan. 11 Moderate snow
Moderate snow
1° /-2° 4 mm 2.6 cm
Jan. 12 Sunny
Sunny
3° /-1° 0 mm 0 cm
Jan. 13 Cloudy
Cloudy
4° /0° 0 mm 0 cm
Jan. 14 Overcast
Overcast
0° /-3° 0 mm 0 cm
Jan. 15 Sunny
Sunny
0° /-4° 0 mm 0 cm
Jan. 16 Light freezing rain
Light freezing rain
-1° /-4° 0.2 mm 0 cm
Jan. 17 Sunny
Sunny
3° /-3° 0 mm 0 cm
Jan. 18 Heavy rain at times
Heavy rain at times
6° /0° 3.3 mm 0 cm
Jan. 19 Patchy moderate snow
Patchy moderate snow
4° /-2° 6.1 mm 3.7 cm
Jan. 20 Cloudy
Cloudy
-3° /-7° 3.3 mm 2.4 cm
Jan. 21 Light freezing rain
Light freezing rain
-7° /-11° 0.5 mm 0 cm
Jan. 22 Partly cloudy
Partly cloudy
-6° /-11° 0 mm 0 cm
Jan. 23 Overcast
Overcast
-2° /-9° 0 mm 0 cm
Jan. 24 Sunny
Sunny
0° /-5° 0 mm 0 cm
Jan. 25 Cloudy
Cloudy
-2° /-7° 0 mm 0 cm
Jan. 26 Overcast
Overcast
3° /-2° 0 mm 0 cm
Jan. 27 Partly cloudy
Partly cloudy
3° /-4° 0 mm 0 cm
Jan. 28 Cloudy
Cloudy
1° /-4° 0 mm 0 cm
Jan. 29 Cloudy
Cloudy
6° /-1° 0 mm 0 cm
Jan. 30 Sunny
Sunny
0° /-5° 0 mm 0 cm
Jan. 31 Light rain
Light rain
3° /0° 8.6 mm 0 cm
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Important Notice
Our weather forecast for Nassau County in January 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.

Nassau County in January - FAQ

What are the expected maximum and minimum temperatures in Nassau County during January?
Brace for cold days with temperatures not exceeding 1° 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 January?
Moderate rainfall is anticipated in Nassau County during January, with a total of 64.1 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
Will it snow in Nassau County in January 2026?
Nassau County experiences an average snowfall of 8.7 cm during January, occurring over 3 days.
What are the typical wind conditions in Nassau County during January?
The average wind speed in Nassau County during January is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

Nassau County snow forecast January 2026

Track daily snowfall levels and discover Nassau County’s snowy potential this January ❄️

January rainfall patterns in Nassau County

Explore the daily rainfall trends and prepare for Nassau Countys January weather 💧
Top locations in Nassau County
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Location coordinates Where is Nassau County?

Get accurate weather forecasts for Nassau County, located at latitude 40.862 and longitude -73.634. Stay updated with localized weather information tailored for Nassau County.

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