Zip 57261 (Roslyn, SD) Climate

The climate in 57261 Roslyn, SD is a humid continental climate with hot summers and cold winters. The average summer temperature ranges between 80°F and 90°F, with occasional short-lived heat waves reaching temperatures in the mid-90s. Winters are cold with average temperatures usually below freezing, but often accompanied by sunny days that can reach into the 40s or even higher. Precipitation is moderate throughout the year, with snowfall occurring most commonly during the winter months.

Roslyn (zip 57261), South Dakota gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Roslyn (zip 57261) averages 43 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Roslyn (zip 57261). The US average is 205 sunny days.

Roslyn (zip 57261) gets some kind of precipitation, on average, 82 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 82 degrees
Winter Low: the January low is 3
Rain: averages 24 inches of rain a year
Snow: averages 43 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 57261 zip code is 6.6 (10=best), which means it is less comfortable than most places in South Dakota.

9.4 Summer - 3.9 Winter

August, July and June are the most pleasant months in the 57261 zip code, while January and December are the least comfortable months.

Climate	Roslyn, South Dakota	United States
	Unlock	38.1 in.
	42.8 in.	Unlock
	Unlock	106.2 days
	202 days	Unlock
	81.9°	85.8°
	Unlock	21.7°
	6.6	Unlock
	Unlock	4.3
	1810 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 57261 zip code with an average high temperature of 81.9°, which ranks it as one of the coolest places in South Dakota. In the 57261 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 57261 zip code are June, August and July.

In the 57261 zip code, there are 8.3 days annually when the high temperature is over 90°, which is one of the coolest places in South Dakota.

January has the coldest nighttime temperatures for the 57261 zip code with an average of 2.5°. This is colder than most places in South Dakota.

In the 57261 zip code, there are 167.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Dakota.

In the 57261 zip code, there are 35.4 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in South Dakota.

Humidity in the 57261 zip code is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.

June is the wettest month in the 57261 zip code with 3.8 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Autumn with 43% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 23.8 inches in the 57261 zip code means that it is about average compared to other places in South Dakota.

June is the rainiest month in the 57261 zip code with 10.4 days of rain, and January is the driest month with only 4.7 rainy days. There are 82.1 rainy days annually in the 57261 zip code, which is about average compared to other places in South Dakota. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 42.8 inches in the 57261 zip code means that it is snowier than most places in South Dakota. January is the snowiest month in the 57261 zip code with 8.9 inches of snow, and 7 months of the year have significant snowfall.

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