Zip 57717 (Belle Fourche, SD) Climate

Belle Fourche, SD has a continental climate with hot summers and cold winters. Average temperatures in the summer range from 60°F to 90°F while winter temperatures can drop to lows of 10°F to 30°F. The town receives approximately 17 inches of rain annually and 45 inches of snowfall each year. Belle Fourche experiences moderate levels of humidity with average wind speeds of 7–12 mph throughout the year.

Belle Fourche (zip 57717), South Dakota gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Belle Fourche (zip 57717) averages 30 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 226 sunny days per year in Belle Fourche (zip 57717). The US average is 205 sunny days.

Belle Fourche (zip 57717) gets some kind of precipitation, on average, 77 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 87 degrees
Winter Low: the January low is 13
Rain: averages 18 inches of rain a year
Snow: averages 30 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 57717 zip code is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.

8.9 Summer - 5.2 Winter

June, September and August are the most pleasant months in the 57717 zip code, while January and December are the least comfortable months.

Climate	Belle Fourche, South Dakota	United States
	Unlock	38.1 in.
	30.2 in.	Unlock
	Unlock	106.2 days
	226 days	Unlock
	87.3°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	3025 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 57717 zip code with an average high temperature of 87.3°, which ranks it as warmer than most places in South Dakota. In the 57717 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 57717 zip code are June, September and August.

In the 57717 zip code, there are 31.2 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 57717 zip code with an average of 12.5°. This is one of the warmest places in South Dakota.

In the 57717 zip code, there are 167.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Dakota.

In the 57717 zip code, there are 18.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.

Humidity in the 57717 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.

May is the wettest month in the 57717 zip code with 3.1 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 35% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 17.9 inches in the 57717 zip code means that it is one of the driest places in South Dakota.

May is the rainiest month in the 57717 zip code with 10.0 days of rain, and February is the driest month with only 4.2 rainy days. There are 76.6 rainy days annually in the 57717 zip code, which is less rainy than most places in South Dakota. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 30.2 inches in the 57717 zip code means that it is one of the least snowy places in South Dakota. March is the snowiest month in the 57717 zip code with 6.3 inches of snow, and 8 months of the year have significant snowfall.

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