Zip 57233 (Erwin, SD) Climate

Erwin, SD is a small town in southeastern South Dakota with a warm climate. The average temperature in the summer months is around 75 degrees Fahrenheit, while winters are typically mild and cool with temperatures hovering around the freezing mark. Precipitation is fairly consistent throughout the year, with winter seeing slightly more snowfall than other seasons. Overall, Erwin enjoys a pleasant climate with all four distinct seasons that make up a comfortable atmosphere for its residents.

Erwin (zip 57233), South Dakota gets 26 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Erwin (zip 57233) averages 43 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 211 sunny days per year in Erwin (zip 57233). The US average is 205 sunny days.

Erwin (zip 57233) gets some kind of precipitation, on average, 78 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 83 degrees
Winter Low: the January low is 4
Rain: averages 26 inches of rain a year
Snow: averages 43 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 57233 zip code is 6.7 (10=best), which means it is less comfortable than most places in South Dakota.

9.3 Summer - 4.2 Winter

August, July and June are the most pleasant months in the 57233 zip code, while January and December are the least comfortable months.

Climate	Erwin, South Dakota	United States
	Unlock	38.1 in.
	42.5 in.	Unlock
	Unlock	106.2 days
	211 days	Unlock
	82.7°	85.8°
	Unlock	21.7°
	6.7	Unlock
	Unlock	4.3
	1850 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 57233 zip code with an average high temperature of 82.7°, which ranks it as cooler than most places in South Dakota. In the 57233 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 57233 zip code are June, August and July.

In the 57233 zip code, there are 9.1 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 the 57233 zip code with an average of 4.4°. This is colder than most places in South Dakota.

In the 57233 zip code, there are 167.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Dakota.

In the 57233 zip code, there are 31.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in South Dakota.

The humidity is usually comfortable in the 57233 zip code but some summer days can be muggy. July is the most humid month, though it is still relatively mild compared to many other places. The most humid months are July, August and June.

June is the wettest month in the 57233 zip code with 4.2 inches of rain, and the driest month is January with 0.6 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 26.2 inches in the 57233 zip code means that it is wetter than most places in South Dakota.

June is the rainiest month in the 57233 zip code with 9.8 days of rain, and December is the driest month with only 4.1 rainy days. There are 78.1 rainy days annually in the 57233 zip code, which is less rainy 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 16% chance of a rainy day.

An annual snowfall of 42.5 inches in the 57233 zip code means that it is snowier than most places in South Dakota. March is the snowiest month in the 57233 zip code with 7.7 inches of snow, and 7 months of the year have significant snowfall.

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