Jefferson County (Watertown)
January
Weather in Jefferson County, New York for January 2027
Your guide to Jefferson County weather in January - trends and predictions
Expect heavy snowfall in Jefferson County during January, with an average of 18 snowy days.
In general, the average temperature in Jefferson County at the beginning of January is -3.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -3.8 °C by the end of January.
Is January a good time to visit Jefferson County? check out the best time to travel to Jefferson County page.
✨ Is January a good time to visit Jefferson County? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
More
10
Dry days
3
Rainy days
18
Snow days
-3°/-8°
Temperatures
22 km/h
Avg max wind
84 %
Avg humidity
Jefferson County Weather January
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Temperatures trend during January in Jefferson County
See the weather trend as well as the moving average line
January weather in Jefferson County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Moderate rain | -3° /-7° | 16.9 mm | 1.1 cm | |
| Jan. 2 |  Blowing snow | -3° /-7° | 10.1 mm | 0 cm | |
| Jan. 3 |  Overcast | -4° /-7° | 0 mm | 0 cm | |
| Jan. 4 | Overcast | -6° /-9° | 0 mm | 0 cm | |
| Jan. 5 |  Moderate snow | -3° /-11° | 8.5 mm | 6.2 cm | |
| Jan. 6 |  Light snow | -2° /-6° | 0.5 mm | 0.4 cm | |
| Jan. 7 | Light snow | -2° /-5° | 6.7 mm | 2.9 cm | |
| Jan. 8 | Light snow | -2° /-5° | 1.2 mm | 0.8 cm | |
| Jan. 9 |  Light sleet | 1° /-6° | 9.8 mm | 0 cm | |
| Jan. 10 | Light snow | 2° /-3° | 3.8 mm | 0.7 cm | |
| Jan. 11 | Light snow | 0° /-4° | 14.2 mm | 4 cm | |
| Jan. 12 |  Light freezing rain | 0° /-6° | 7.3 mm | 4.1 cm | |
| Jan. 13 | Light snow | 2° /-2° | 11.5 mm | 4.3 cm | |
| Jan. 14 | Light snow | -1° /-4° | 12.9 mm | 3.1 cm | |
| Jan. 15 | Moderate snow | -5° /-11° | 8.8 mm | 5.4 cm | |
| Jan. 16 | Light snow | -4° /-12° | 1.6 mm | 1.1 cm | |
| Jan. 17 | Light snow | -2° /-9° | 5.1 mm | 3 cm | |
| Jan. 18 | Light snow | -2° /-9° | 9.6 mm | 4.5 cm | |
| Jan. 19 | Light snow | -5° /-11° | 4.6 mm | 2.8 cm | |
| Jan. 20 | Light snow | -9° /-15° | 2.5 mm | 1.8 cm | |
| Jan. 21 | Moderate snow | -8° /-13° | 17.8 mm | 12.9 cm | |
| Jan. 22 | Moderate snow | -4° /-12° | 10.1 mm | 5.3 cm | |
| Jan. 23 | Light snow | -4° /-10° | 5 mm | 3.6 cm | |
| Jan. 24 |  Light rain | -6° /-13° | 3.8 mm | 1.1 cm | |
| Jan. 25 | Light snow | -4° /-11° | 4.1 mm | 2.7 cm | |
| Jan. 26 | Moderate snow | -3° /-6° | 13.2 mm | 6.3 cm | |
| Jan. 27 | Light snow | -2° /-7° | 3.2 mm | 2.2 cm | |
| Jan. 28 | Light snow | -3° /-9° | 8.5 mm | 1.7 cm | |
| Jan. 29 | Light snow | -5° /-9° | 5.1 mm | 3.7 cm | |
| Jan. 30 | Overcast | -6° /-14° | 0 mm | 0 cm | |
| Jan. 31 | Overcast | -4° /-9° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Jefferson 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 Jefferson County forecast closer to your planned date for the most up-to-date weather information.
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Jefferson County in January - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during January?
Brace for cold days with temperatures not exceeding -3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Jefferson County during January?
Significant rainfall exceeding 206.2 mm is expected in Jefferson County during January, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Jefferson County in January 2027?
Jefferson County experiences an average snowfall of 85.9 cm during January, occurring over 18 days.
What are the typical wind conditions in Jefferson County during January?
The average wind speed in Jefferson County during January is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
Jefferson County snow forecast January 2027
Track daily snowfall levels and discover Jefferson County’s snowy potential this January ❄️
On average, Jefferson County sees 18 snowy days during January, with approximately 85.9 cm of total snowfall.
January rainfall patterns in Jefferson County
Explore the daily rainfall trends and prepare for Jefferson Countys January weather 💧
Typically, Jefferson County has 3 rainy days in January with a total of 206.2 mm of rainfall.
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