Weather in Long Island, New York for January 2026
Cold Weather Advisory - See hour by hour.
With an average of 4 snowy days, Long Island usually enjoys a light touch of snow in January.
According to Long Island snow forecast for January 2026, no snow is expected until the end of the month.Until now, January 2026 in Long Island has been nearly identical to the historical average, with a temperature of 2.2 °F (showing only a slight deviation of 0.3 °F).
The forecast for the upcoming days in Long Island predicts a temperature of -4.9 °F, which is slightly above the historical average.
In general, the average temperature in Long Island at the beginning of January is 2.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -2.9 °F by the end of January.
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Long Island Weather January
Temperatures trend during January in Long Island
January weather in Long Island day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Patchy rain possible | 5° /0° | 12.4 mm | 0 cm | |
| Jan. 2 | Sunny | 3° /-3° | 0 mm | 0 cm | |
| Jan. 3 | Partly cloudy | 0° /-4° | 0 mm | 0 cm | |
| Jan. 4 | Cloudy | 1° /-3° | 0 mm | 0 cm | |
| Jan. 5 | Sunny | 1° /-5° | 0 mm | 0 cm | |
| Jan. 6 | Patchy moderate snow | 2° /-1° | 0.7 mm | 0.2 cm | |
| Jan. 7 | Partly cloudy | 4° /-2° | 0.1 mm | 0 cm | |
| Jan. 8 | Overcast | 4° /-1° | 0 mm | 0 cm | |
| Jan. 9 | Sunny | 4° /-4° | 0 mm | 0 cm | |
| Jan. 10 | Sunny | 6° /0° | 17.3 mm | 0 cm | |
| Jan. 11 | Moderate snow | 3° /0° | 4.5 mm | 1.6 cm | |
| Jan. 12 | Sunny | 4° /-2° | 0 mm | 0 cm | |
| Jan. 13 | Overcast | 5° /0° | 0 mm | 0 cm | |
| Jan. 14 | Cloudy | 3° /1° | 0 mm | 0 cm | |
| Jan. 15 | Sunny | 3° /-5° | 0 mm | 0 cm | |
| Jan. 16 | Light freezing rain | 0° /-5° | 0.2 mm | 0 cm | |
| Jan. 17 | Sunny | 3° /-2° | 0 mm | 0 cm | |
| Jan. 18 | Moderate or heavy rain shower | 7° /1° | 5.3 mm | 0 cm | |
| Jan. 19 | Light freezing rain | 3° /-2° | 3.7 mm | 2.3 cm | |
| Jan. 20 | Cloudy | -2° /-8° | 2.4 mm | 1.6 cm | |
| Jan. 21 | Light freezing rain | -1° /-10° | 0.3 mm | 0 cm | |
| Jan. 22 | Partly cloudy | -1° /-6° | 0 mm | 0 cm | |
| Jan. 23 | Overcast | 0° /-7° | 0 mm | 0 cm | |
| Jan. 24 | Sunny | -4° /-10° | 0 mm | 0 cm | |
| Jan. 25 | Cloudy | -2° /-9° | 46.3 mm | 7.9 cm | |
| Jan. 26 | Overcast | 1° /-5° | 11.9 mm | 0 cm | |
| Jan. 27 | Partly cloudy | 0° /-6° | 0 mm | 0 cm | |
| Jan. 28 | Overcast | 0° /-7° | 0 mm | 0 cm | |
| Jan. 29 | Sunny | -5° /-14° | 0 mm | 0 cm | |
| Jan. 30 | Sunny | -7° /-14° | 0 mm | 0 cm | |
| Jan. 31 | Cloudy | -7° /-14° | 0 mm | 0 cm | |
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Long Island in January - FAQ
What are the expected maximum and minimum temperatures in Long Island during January?
How much rainfall should be expected in Long Island during January?
Will it snow in Long Island in January 2026?
What are the typical wind conditions in Long Island during January?
Long Island snow forecast January 2026
January rainfall patterns in Long Island
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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.