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United States weather

Weather in Brown County, South Dakota for January 2026

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

    Snow Forecast ❄️

  • Snowfall in Brown County during January is quite rare, with fewer than 2 snowy days on average.
    According to Brown County snow forecast for January 2026, 3 snowy days are expected in the next 2 weeks. The closest date with snow is Wednesday, January 14.

    • Temperatures

  • So far, January 2026 in Brown County shows a warmer trend than usual by 2.9 °F.

  • The forecast for the upcoming days in Brown County predicts a temperature of -2.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Brown County at the beginning of January is -4.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 2 °F by the end of January.

    • Rain 🌧️

  • With an average of 5 rainy days, Brown County experiences minimal rainfall in January.

    • More

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

Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
1
Snow days
Average temperatures
-4°/-13°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Brown County Weather January

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

Temperatures trend during January in Brown County

See the weather trend as well as the moving average line

January weather in Brown County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Overcast
Overcast
 -5° /-12° 0 mm 0 cm
Jan. 2 Freezing fog
Freezing fog
 -3° /-6° 0 mm 0 cm
Jan. 3 Mist
Mist
 -2° /-8° 0 mm 0 cm
Jan. 4 Overcast
Overcast
 -7° /-12° 0 mm 0 cm
Jan. 5 Cloudy
Cloudy
 -6° /-12° 0 mm 0 cm
Jan. 6 Overcast
Overcast
 -4° /-10° 0.1 mm 0 cm
Jan. 7 Overcast
Overcast
 -5° /-9° 0.1 mm 0 cm
Jan. 8 Overcast
Overcast
 -2° /-9° 0 mm 0 cm
Jan. 9 Sunny
Sunny
 4° /-7° 0 mm 0 cm
Jan. 10 Light freezing rain
Light freezing rain
 -2° /-11° 0.2 mm 0 cm
Jan. 11 Partly cloudy
Partly cloudy
 -1° /-6° 0 mm 0 cm
Jan. 12 Mist
Mist
 6° /-3° 0 mm 0 cm
Jan. 13 Partly cloudy
Partly cloudy
 6° /2° 0 mm 0 cm
Jan. 14 Light freezing rain
Light freezing rain
 -6° /-9° 0.2 mm 0.2 cm
Jan. 15 Patchy moderate snow
Patchy moderate snow
 2° /-8° 0.5 mm 0 cm
Jan. 16 Blowing snow
Blowing snow
 0° /-12° 0.3 mm 0 cm
Jan. 17 Sunny
Sunny
 -13° /-18° 0 mm 0 cm
Jan. 18 Sunny
Sunny
 -2° /-15° 0 mm 0 cm
Jan. 19 Partly cloudy
Partly cloudy
 4° /-7° 0 mm 0 cm
Jan. 20 Partly cloudy
Partly cloudy
 -9° /-13° 0 mm 0 cm
Jan. 21 Light freezing rain
Light freezing rain
 -11° /-14° 0.2 mm 0.1 cm
Jan. 22 Moderate snow
Moderate snow
 -14° /-16° 0.6 mm 0.5 cm
Jan. 23 Partly cloudy
Partly cloudy
 -7° /-16° 0 mm 0 cm
Jan. 24 Light freezing rain
Light freezing rain
 0° /-11° 0.7 mm 0 cm
Jan. 25 Cloudy
Cloudy
 -3° /-9° 0.1 mm 0 cm
Jan. 26 Sunny
Sunny
 -1° /-13° 0 mm 0 cm
Jan. 27 Light freezing rain
Light freezing rain
 4° /-6° 0.1 mm 0 cm
Jan. 28 Overcast
Overcast
 6° /-3° 0 mm 0 cm
Jan. 29 Partly cloudy
Partly cloudy
 4° /-5° 0 mm 0 cm
Jan. 30 Overcast
Overcast
 6° /-6° 0 mm 0 cm
Jan. 31 Mist
Mist
 -2° /-5° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Brown 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 Brown County forecast closer to your planned date for the most up-to-date weather information.
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Brown County in January - FAQ

What are the expected maximum and minimum temperatures in Brown County during January?

Brace for cold days with temperatures not exceeding -4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Brown County during January?

Rainfall in Brown County during January is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 5 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.

Will it snow in Brown County in January 2026?

Brown County typically sees 1.1 cm of snowfall during January.

What are the typical wind conditions in Brown County during January?

The average wind speed in Brown County during January is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Brown County snow forecast January 2026

Track daily snowfall levels and discover Brown County’s snowy potential this January ❄️
On average, Brown County sees 1 snowy days during January, with approximately 1.1 cm of total snowfall.
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AberdeenGreen Bay
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Location coordinates Where is Brown County?

Get accurate weather forecasts for Brown County, located at latitude 45.465 and longitude -98.486. Stay updated with localized weather information tailored for Brown County.

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