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Weather in Long Island for January 2026

Your guide to Long Island weather in January - trends and predictions

    Snow Forecast ❄️

  • With an average of 4 snowy days, Long Island usually enjoys a light touch of snow in January.

    • Temperatures

  • In general, the average temperature in Long Island at the beginning of January is 2.4 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 2.7 °F by the end of January.

    • More

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

Average dry days
21
Dry days
Average rainy days
6
Rainy days
Average snowy days
4
Snow days
Average temperatures
2°/-4°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Long Island Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
10°
2
Sunny
5°
3
Partly cloudy
1°
4
Cloudy
0°
5
Sunny
1°
6
Patchy moderate snow
0°
7
Partly cloudy
0°
8
Overcast
0°
9
Sunny
0°
10
Sunny
3°
11
Moderate snow
1°
12
Sunny
4°
13
Overcast
4°
14
Cloudy
0°
15
Sunny
1°
16
Light freezing rain
-1°
17
Sunny
2°
18
Moderate or heavy rain shower
7°
19
Light freezing rain
5°
20
Cloudy
-2°
21
Light freezing rain
-6°
22
Partly cloudy
-6°
23
Overcast
-1°
24
Sunny
0°
25
Cloudy
-1°
26
Overcast
2°
27
Partly cloudy
3°
28
Overcast
2°
29
Patchy rain possible
7°
30
Sunny
1°
31
Moderate rain
5°

Temperatures trend during January in Long Island

See the weather trend as well as the moving average line

January weather in Long Island day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Patchy rain possible
Patchy rain possible
 10° /4° 24.8 mm 0 cm
Jan. 2 Sunny
Sunny
 5° /0° 0 mm 0 cm
Jan. 3 Partly cloudy
Partly cloudy
 1° /-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 Patchy moderate snow
Patchy moderate snow
 0° /-3° 1.4 mm 0.4 cm
Jan. 7 Partly cloudy
Partly cloudy
 0° /-5° 0.1 mm 0 cm
Jan. 8 Overcast
Overcast
 0° /-3° 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° /-1° 5.2 mm 3.2 cm
Jan. 12 Sunny
Sunny
 4° /-2° 0 mm 0 cm
Jan. 13 Overcast
Overcast
 4° /0° 0 mm 0 cm
Jan. 14 Cloudy
Cloudy
 0° /-3° 0 mm 0 cm
Jan. 15 Sunny
Sunny
 1° /-5° 0 mm 0 cm
Jan. 16 Light freezing rain
Light freezing rain
 -1° /-5° 0.4 mm 0 cm
Jan. 17 Sunny
Sunny
 2° /-3° 0 mm 0 cm
Jan. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /1° 5.3 mm 0 cm
Jan. 19 Light freezing rain
Light freezing rain
 5° /-1° 6.5 mm 4.1 cm
Jan. 20 Cloudy
Cloudy
 -2° /-7° 4.8 mm 3.2 cm
Jan. 21 Light freezing rain
Light freezing rain
 -6° /-11° 0.6 mm 0 cm
Jan. 22 Partly cloudy
Partly cloudy
 -6° /-11° 0 mm 0 cm
Jan. 23 Overcast
Overcast
 -1° /-10° 0 mm 0 cm
Jan. 24 Sunny
Sunny
 0° /-7° 0 mm 0 cm
Jan. 25 Cloudy
Cloudy
 -1° /-8° 0 mm 0 cm
Jan. 26 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Jan. 27 Partly cloudy
Partly cloudy
 3° /-3° 0 mm 0 cm
Jan. 28 Overcast
Overcast
 2° /-4° 0 mm 0 cm
Jan. 29 Patchy rain possible
Patchy rain possible
 7° /-1° 0.3 mm 0 cm
Jan. 30 Sunny
Sunny
 1° /-5° 0 mm 0 cm
Jan. 31 Moderate rain
Moderate rain
 5° /0° 15.8 mm 0 cm
Next
Important Notice
Our weather forecast for Long Island 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 Long Island forecast closer to your planned date for the most up-to-date weather information.
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Long Island in January - FAQ

What are the expected maximum and minimum temperatures in Long Island during January?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Long Island during January?
Moderate rainfall is anticipated in Long Island during January, with a total of 65.1 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
Will it snow in Long Island in January 2026?
Long Island experiences an average snowfall of 10.9 cm during January, occurring over 4 days.
What are the typical wind conditions in Long Island during January?
The average wind speed in Long Island during January is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

Long Island snow forecast January 2026

Track daily snowfall levels and discover Long Island’s snowy potential this January ❄️

January rainfall patterns in Long Island

Explore the daily rainfall trends and prepare for Long Islands January weather 💧

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Location coordinates Where is Long Island?

Get accurate weather forecasts for Long Island, located at latitude 40.817 and longitude -73.066. Stay updated with localized weather information tailored for Long Island.

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