Sioux County, ND Climate

Sioux, ND County has a humid continental climate. Winters in the area are cold and snowy, with temperatures often falling below freezing. Summers in Sioux are warm and humid, with temperatures sometimes reaching into the mid-80s during the summer months. Precipitation is fairly consistent year-round, but it tends to be higher during the summer months. The county experiences all four seasons throughout the year, making for a varied and beautiful landscape.

Sioux County, North Dakota gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 200 sunny days per year in Sioux County. The US average is 205 sunny days.

Sioux County gets some kind of precipitation, on average, 69 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 85 degrees
Winter Low: the January low is 3
Rain: averages 17 inches of rain a year
Snow: averages 38 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Sioux County is 6.7 (10=best), which means it is one of the most pleasant places in North Dakota.

9.1 Summer - 4.2 Winter

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

Climate	Sioux, North Dakota	United States
	Unlock	38.1 in.
	37.9 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	85.2°	85.8°
	Unlock	21.7°
	6.7	Unlock
	Unlock	4.3
	2030 ft.	Unlock

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 Sioux County with an average high temperature of 85.2°, which ranks it as one of the hottest places in North Dakota. In Sioux County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sioux County are June, September and August.

In Sioux County, there are 21.6 days annually when the high temperature is over 90°, which is one of the hottest places in North Dakota.

January has the coldest nighttime temperatures for Sioux County with an average of 2.6°. This is warmer than most places in North Dakota.

In Sioux County, there are 183.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in North Dakota.

In Sioux County, there are 35.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in North Dakota.

Humidity in Sioux 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 Sioux County with 3.2 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 46% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 16.9 inches in Sioux County means that it is drier than most places in North Dakota.

June is the rainiest month in Sioux County with 9.6 days of rain, and November is the driest month with only 3.8 rainy days. There are 69.1 rainy days annually in Sioux County, which is less rainy than most places in North Dakota. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 37.9 inches in Sioux County means that it is less snowy than most places in North Dakota. March is the snowiest month in Sioux County with 7.3 inches of snow, and 7 months of the year have significant snowfall.

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