Suffolk County (Long Island)
January
Weather in Suffolk County, New York for January 2027
Your guide to Suffolk County weather in January - trends and predictions
With an average of 4 snowy days, Suffolk County usually enjoys a light touch of snow in January.
Is January a good time to visit Suffolk County? check out the best time to travel to Suffolk County page.
✨ Is January a good time to visit Suffolk County? – Ask the AI Weatherman
Snow Forecast ❄️
More
24
Dry days
3
Rainy days
4
Snow days
1°/-4°
Temperatures
26 km/h
Avg max wind
71 %
Avg humidity
Suffolk County Weather January
Move between months or click on a day
Temperatures trend during January in Suffolk County
See the weather trend as well as the moving average line
January weather in Suffolk County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Moderate rain | 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 | Moderate rain | 6° /0° | 17.3 mm | 0 cm | |
| Jan. 11 |  Light 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 | -1° /-5° | 0.2 mm | 0 cm | |
| Jan. 17 | Sunny | 3° /-2° | 0 mm | 0 cm | |
| Jan. 18 |  Moderate or heavy rain shower | 5° /0° | 7 mm | 2.2 cm | |
| Jan. 19 | Light freezing rain | 3° /-2° | 3.7 mm | 2.3 cm | |
| Jan. 20 | Light snow | -3° /-8° | 2.4 mm | 1.6 cm | |
| Jan. 21 | Light freezing rain | -2° /-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 |  Moderate snow | -2° /-9° | 46.3 mm | 7.9 cm | |
| Jan. 26 | Light snow | 1° /-5° | 11.9 mm | 0 cm | |
| Jan. 27 | Partly cloudy | -1° /-6° | 0 mm | 0 cm | |
| Jan. 28 | Overcast | -1° /-7° | 0 mm | 0 cm | |
| Jan. 29 |  Patchy rain possible | 2° /-5° | 0.2 mm | 0 cm | |
| Jan. 30 | Sunny | -4° /-9° | 0 mm | 0 cm | |
| Jan. 31 | Moderate rain | -1° /-7° | 7.9 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Suffolk 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 Suffolk County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Suffolk County in January - FAQ
What are the expected maximum and minimum temperatures in Suffolk 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 Suffolk County during January?
Significant rainfall exceeding 114.8 mm is expected in Suffolk County during January, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Suffolk County in January 2027?
Suffolk County experiences an average snowfall of 15.8 cm during January, occurring over 4 days.
What are the typical wind conditions in Suffolk County during January?
The average wind speed in Suffolk County during January is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
Suffolk County snow forecast January 2027
Track daily snowfall levels and discover Suffolk County’s snowy potential this January ❄️
On average, Suffolk County sees 4 snowy days during January, with approximately 15.8 cm of total snowfall.
January rainfall patterns in Suffolk County
Explore the daily rainfall trends and prepare for Suffolk Countys January weather 💧
Typically, Suffolk County has 3 rainy days in January with a total of 114.8 mm of rainfall.
Top locations in Suffolk County
Select a location for an accurate weather forecast
More Locations Quick links
More Suffolk County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.