Jackson County, SD Climate

Jackson, SD County has a temperate continental climate, characterized by warm summers and cold winters. This region usually experiences four distinct seasons with moderate temperatures throughout the year. During the summer months, average temperatures can range between 75-90 degrees Fahrenheit, while the winter months usually bring in temperatures between 25-45 degrees. Precipitation is spread out evenly throughout the year with an annual accumulation of 22 inches. Snowfall typically begins in mid to late November and can last until early March. The area is known for its windy conditions which can be strong enough to cause damage during certain times of the year.

Jackson County, South Dakota gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Jackson County averages 35 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 227 sunny days per year in Jackson County. The US average is 205 sunny days.

Jackson County gets some kind of precipitation, on average, 80 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 90 degrees
Winter Low: the January low is 13
Rain: averages 19 inches of rain a year
Snow: averages 35 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Jackson County is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.

8.6 Summer - 5.2 Winter

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

Climate	Jackson, South Dakota	United States
	18.7 in.	38.1 in.
	34.6 in.	27.8 in.
	80.1 days	106.2 days
	227 days	205 days
	89.7°	85.8°
	12.5°	21.7°
	7	7
	4.9	4.3
	2531 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 Jackson County with an average high temperature of 89.7°, which ranks it as one of the hottest places in South Dakota. In Jackson County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jackson County are September, June and May.

In Jackson County, there are 43.6 days annually when the high temperature is over 90°, which is one of the hottest places in South Dakota.

January has the coldest nighttime temperatures for Jackson County with an average of 12.5°. This is one of the warmest places in South Dakota.

In Jackson County, there are 158.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.

In Jackson County, there are 17.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.

Humidity in Jackson County is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

June is the wettest month in Jackson County with 3.2 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 39% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 18.7 inches in Jackson County means that it is drier than most places in South Dakota.

June is the rainiest month in Jackson County with 10.5 days of rain, and January is the driest month with only 4.2 rainy days. There are 80.1 rainy days annually in Jackson County, which is about average compared to other places in South Dakota. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.

An annual snowfall of 34.6 inches in Jackson County means that it is less snowy than most places in South Dakota. March is the snowiest month in Jackson County with 8.0 inches of snow, and 7 months of the year have significant snowfall.

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