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United States weather

Weather in Brown County, South Dakota for December 2026

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

    Snow Forecast ❄️

  • Brown County typically experiences moderate snowfall in December, with an average of 7 snowy days.

    • Temperatures

  • In general, the average temperature in Brown County at the beginning of December is -3.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of -1.6 °F by the end of December.

    • More

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Average dry days
24
Dry days
Average rainy days
0
Rainy days
Average snowy days
7
Snow days
Average temperatures
-2°/-10°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Brown County Weather December

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

Temperatures trend during December in Brown County

See the weather trend as well as the moving average line

December weather in Brown County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
 -5° /-13° 0 mm 0 cm
Dec. 2 Mist
Mist
 0° /-16° 0 mm 0 cm
Dec. 3 Overcast
Overcast
 0° /-15° 0 mm 0 cm
Dec. 4 Overcast
Overcast
 -1° /-22° 0 mm 0 cm
Dec. 5 Overcast
Overcast
 0° /-8° 5 mm 3.6 cm
Dec. 6 Moderate or heavy snow showers
Moderate or heavy snow showers
 -6° /-9° 12 mm 8.7 cm
Dec. 7 Overcast
Overcast
 -10° /-17° 0 mm 0 cm
Dec. 8 Mist
Mist
 0° /-7° 0 mm 0 cm
Dec. 9 Freezing fog
Freezing fog
 3° /-2° 0 mm 0 cm
Dec. 10 Overcast
Overcast
 1° /-9° 0 mm 0 cm
Dec. 11 Ice pellets
Ice pellets
 -2° /-9° 6.9 mm 5 cm
Dec. 12 Overcast
Overcast
 -3° /-12° 0 mm 0 cm
Dec. 13 Moderate snow
Moderate snow
 -13° /-17° 3.2 mm 2.3 cm
Dec. 14 Partly cloudy
Partly cloudy
 -8° /-19° 0 mm 0 cm
Dec. 15 Mist
Mist
 -1° /-8° 0 mm 0 cm
Dec. 16 Overcast
Overcast
 4° /-4° 0 mm 0 cm
Dec. 17 Freezing fog
Freezing fog
 1° /-3° 0 mm 0 cm
Dec. 18 Patchy moderate snow
Patchy moderate snow
 2° /-11° 3.1 mm 0.9 cm
Dec. 19 Overcast
Overcast
 -4° /-12° 0 mm 0 cm
Dec. 20 Freezing fog
Freezing fog
 2° /-5° 6.5 mm 2 cm
Dec. 21 Overcast
Overcast
 0° /-10° 0 mm 0 cm
Dec. 22 Mist
Mist
 0° /-5° 0 mm 0 cm
Dec. 23 Freezing fog
Freezing fog
 -2° /-4° 0 mm 0 cm
Dec. 24 Mist
Mist
 -1° /-4° 0 mm 0 cm
Dec. 25 Overcast
Overcast
 -2° /-6° 0 mm 0 cm
Dec. 26 Freezing fog
Freezing fog
 0° /-1° 0 mm 0 cm
Dec. 27 Freezing fog
Freezing fog
 0° /-1° 0 mm 0 cm
Dec. 28 Moderate or heavy snow showers
Moderate or heavy snow showers
 -1° /-12° 20.4 mm 6.1 cm
Dec. 29 Partly cloudy
Partly cloudy
 -9° /-14° 0 mm 0 cm
Dec. 30 Overcast
Overcast
 2° /-10° 0 mm 0 cm
Dec. 31 Freezing fog
Freezing fog
 -1° /-10° 0 mm 0 cm
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Important Notice
Our weather forecast for Brown County in December 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 December - FAQ

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

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 Brown County during December?

Moderate rainfall is anticipated in Brown County during December, with a total of 57.1 mm spread over approximately 0 days. Considering plans for rainy days is advisable.

Will it snow in Brown County in December 2026?

Brown County experiences an average snowfall of 28.6 cm during December, occurring over 7 days.

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

The average wind speed in Brown County during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

Brown County snow forecast December 2026

Track daily snowfall levels and discover Brown County’s snowy potential this December ❄️
On average, Brown County sees 7 snowy days during December, with approximately 28.6 cm of total snowfall.

December rainfall patterns in Brown County

Explore the daily rainfall trends and prepare for Brown Countys December weather 💧
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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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