Brown County, SD Climate

Brown County, South Dakota has a humid continental climate with cold winters and warm summers. The average temperature in January is 18°F, while the average temperature in July is near 75°F. Precipitation is generally moderate throughout the year, with an average annual precipitation of around 24 inches. Snowfall typically amounts to about 27 inches per year, and snow cover can linger from November through March. Brown County experiences frequent storms during late spring and early summer months as well as occasional thunderstorms during the warmer months. Although temperatures can vary greatly from season to season, the overall climate of Brown County remains relatively mild and comfortable for most of the year.

Brown County, South Dakota gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Brown County averages 38 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Brown County. The US average is 205 sunny days.

Brown County gets some kind of precipitation, on average, 86 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 2
Rain: averages 22 inches of rain a year
Snow: averages 38 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Brown County is 6.6 (10=best), which means it is less comfortable than most places in South Dakota.

9.2 Summer - 3.9 Winter

August, July and June are the most pleasant months in Brown County, while January and December are the least comfortable months.

Climate	Brown, South Dakota	United States
	22.4 in.	38.1 in.
	37.6 in.	27.8 in.
	85.8 days	106.2 days
	202 days	205 days
	83.7°	85.8°
	1.5°	21.7°
	6.6	7
	3	4.3
	1336 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Brown County with an average high temperature of 83.7°, which ranks it as cooler than most places in South Dakota. In Brown County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Brown County are June, August and September.

In Brown County, there are 13.5 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.

January has the coldest nighttime temperatures for Brown County with an average of 1.5°. This is one of the coldest places in South Dakota.

In Brown County, there are 177.1 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.

In Brown County, there are 37.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in South Dakota.

Humidity in Brown County is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.

June is the wettest month in Brown County with 3.5 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 42% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 22.4 inches in Brown County means that it is drier than most places in South Dakota.

June is the rainiest month in Brown County with 10.6 days of rain, and February is the driest month with only 5.2 rainy days. There are 85.8 rainy days annually in Brown County, which is rainier than most places in South Dakota. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 37.6 inches in Brown County means that it is about average compared to other places in South Dakota. March is the snowiest month in Brown County with 6.8 inches of snow, and 7 months of the year have significant snowfall.

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