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United States weather

Weather in Jefferson County, New York for January 2026

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

    Snow Forecast ❄️

  • Jefferson County is transformed into a snow paradise in January, with more than 20 snowy days on average.
    According to Jefferson County snow forecast for January 2026, 5 snowy days are expected at the beginning of January. The first snowfall for January is expected in Thursday, January 1.

    • Temperatures

  • The forecast for the upcoming days in Jefferson County predicts a temperature of -4.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Jefferson County at the beginning of January is -6.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 0 °F by the end of January.

    • More

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

Average dry days
6
Dry days
Average rainy days
3
Rainy days
Average snowy days
22
Snow days
Average temperatures
-2°/-7°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Jefferson County Weather January

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

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

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Overcast
Overcast
 -8° /-14° 0.1 mm 0 cm
Jan. 2 Light snow
Light snow
 -6° /-12° 0.3 mm 0.2 cm
Jan. 3 Light snow
Light snow
 -8° /-14° 0.1 mm 0 cm
Jan. 4 Light freezing rain
Light freezing rain
 -2° /-14° 0.1 mm 0 cm
Jan. 5 Light snow showers
Light snow showers
 -3° /-13° 0.8 mm 0.6 cm
Jan. 6 Overcast
Overcast
 -12° /-17° 0 mm 0 cm
Jan. 7 Sunny
Sunny
 -9° /-18° 0 mm 0 cm
Jan. 8 Sunny
Sunny
 1° /-13° 0 mm 0 cm
Jan. 9 Partly cloudy
Partly cloudy
 -1° /-7° 0 mm 0 cm
Jan. 10 Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /-5° 3.5 mm 0.2 cm
Jan. 11 Moderate or heavy snow showers
Moderate or heavy snow showers
 -1° /-4° 7.5 mm 5.4 cm
Jan. 12 Light freezing rain
Light freezing rain
 0° /-6° 3.4 mm 2.5 cm
Jan. 13 Heavy snow
Heavy snow
 2° /-3° 11.6 mm 2.6 cm
Jan. 14 Blizzard
Blizzard
 -2° /-5° 7.8 mm 0.8 cm
Jan. 15 Heavy snow
Heavy snow
 -5° /-9° 4.8 mm 2.1 cm
Jan. 16 Moderate or heavy snow showers
Moderate or heavy snow showers
 -4° /-11° 2.4 mm 1.7 cm
Jan. 17 Heavy snow
Heavy snow
 -3° /-11° 7.1 mm 4.2 cm
Jan. 18 Moderate snow
Moderate snow
 -2° /-8° 14.2 mm 6.8 cm
Jan. 19 Light snow
Light snow
 -5° /-12° 4.5 mm 3.2 cm
Jan. 20 Moderate or heavy snow showers
Moderate or heavy snow showers
 -10° /-15° 2.5 mm 1.8 cm
Jan. 21 Freezing fog
Freezing fog
 -9° /-15° 22.6 mm 16.3 cm
Jan. 22 Moderate snow
Moderate snow
 -5° /-16° 1.4 mm 1 cm
Jan. 23 Heavy snow
Heavy snow
 -2° /-7° 4.5 mm 3.2 cm
Jan. 24 Light drizzle
Light drizzle
 -2° /-8° 5.8 mm 1.6 cm
Jan. 25 Fog
Fog
 -1° /-8° 0.5 mm 0 cm
Jan. 26 Moderate rain
Moderate rain
 1° /-3° 10.6 mm 2.8 cm
Jan. 27 Light snow
Light snow
 1° /-3° 2.9 mm 2 cm
Jan. 28 Moderate snow
Moderate snow
 0° /-7° 10.7 mm 1.2 cm
Jan. 29 Moderate snow
Moderate snow
 -2° /-7° 7.7 mm 5.5 cm
Jan. 30 Overcast
Overcast
 -1° /-9° 0 mm 0 cm
Jan. 31 Overcast
Overcast
 2° /-4° 0 mm 0 cm
Next
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 -2° 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 211.4 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 2026?
Jefferson County experiences an average snowfall of 77.48 cm during January, occurring over 22 days.
What are the typical wind conditions in Jefferson County during January?
The average wind speed in Jefferson County during January is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Jefferson County snow forecast January 2026

Track daily snowfall levels and discover Jefferson County’s snowy potential this January ❄️
On average, Jefferson County sees 22 snowy days during January, with approximately 77.5 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 211.4 mm of rainfall.
Top locations in Jefferson County
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BeaumontBirminghamFairfieldLakewoodLouisvilleWatertown
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Location coordinates Where is Jefferson County?

Get accurate weather forecasts for Jefferson County, located at latitude 43.975 and longitude -75.911. Stay updated with localized weather information tailored for Jefferson County.

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