Zip 57620 (Bison, SD) Climate

The climate in 57620 Bison, SD is marked by cold winters and warm summers. During the winter months temperatures tend to drop below freezing and snowfall is common. The summer months are typically mild with average temperatures around 70 degrees Fahrenheit during the day and dropping into the 50s at night. Precipitation tends to be relatively low year round, although there can be occasional rain or snow during any season.

Bison (zip 57620), South Dakota gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Bison (zip 57620) averages 36 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 224 sunny days per year in Bison (zip 57620). The US average is 205 sunny days.

Bison (zip 57620) gets some kind of precipitation, on average, 58 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 86 degrees
Winter Low: the January low is 8
Rain: averages 17 inches of rain a year
Snow: averages 36 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 57620 zip code is 6.8 (10=best), which means it is about average compared to other places in South Dakota.

9 Summer - 4.6 Winter

June, August and July are the most pleasant months in the 57620 zip code, while January and December are the least comfortable months.

Climate	Bison, South Dakota	United States
	Unlock	38.1 in.
	35.6 in.	Unlock
	Unlock	106.2 days
	224 days	Unlock
	86.0°	85.8°
	Unlock	21.7°
	6.8	Unlock
	Unlock	4.3
	2712 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 the 57620 zip code with an average high temperature of 86.0°, which ranks it as warmer than most places in South Dakota. In the 57620 zip code, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 57620 zip code are June, September and August.

In the 57620 zip code, there are 23.9 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.

January has the coldest nighttime temperatures for the 57620 zip code with an average of 8.1°. This is warmer than most places in South Dakota.

In the 57620 zip code, there are 181.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.

In the 57620 zip code, there are 25.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Dakota.

Humidity in the 57620 zip code 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 the 57620 zip code with 2.9 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 40% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 17.2 inches in the 57620 zip code means that it is one of the driest places in South Dakota.

June is the rainiest month in the 57620 zip code with 7.9 days of rain, and January is the driest month with only 3.0 rainy days. There are 57.5 rainy days annually in the 57620 zip code, which is one of the least rainy places in South Dakota. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 16% chance of a rainy day.

An annual snowfall of 35.6 inches in the 57620 zip code means that it is less snowy than most places in South Dakota. March is the snowiest month in the 57620 zip code with 7.7 inches of snow, and 8 months of the year have significant snowfall.

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