Zip 57223 (Castlewood, SD) Climate

Castlewood, SD 57223 has a humid continental climate, characterized by cold winters and hot summers with moderate precipitation throughout the year. Average high temperatures in the summer months range from the mid-70s to mid-80s while lows dip into the mid-50s. Winters bring average highs in the low 30s with lows below freezing, while snow accumulations are typically around 20 inches per year. Spring and fall have milder weather with average temperatures ranging between 40 and 60 degrees Fahrenheit. Precipitation is evenly spread throughout the year with occasional thunderstorms during summer months.

Castlewood (zip 57223), South Dakota gets 25 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Castlewood (zip 57223) averages 38 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 209 sunny days per year in Castlewood (zip 57223). The US average is 205 sunny days.

Castlewood (zip 57223) gets some kind of precipitation, on average, 86 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 2
Rain: averages 25 inches of rain a year
Snow: averages 38 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 57223 zip code is 6.6 (10=best), which means it is less comfortable than most places in South Dakota.

9.3 Summer - 4 Winter

August, July and June are the most pleasant months in the 57223 zip code, while January and December are the least comfortable months.

Climate	Castlewood, South Dakota	United States
	Unlock	38.1 in.
	38.2 in.	Unlock
	Unlock	106.2 days
	209 days	Unlock
	82.6°	85.8°
	Unlock	21.7°
	6.6	Unlock
	Unlock	4.3
	1698 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 57223 zip code with an average high temperature of 82.6°, which ranks it as cooler than most places in South Dakota. In the 57223 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 57223 zip code are June, August and July.

In the 57223 zip code, there are 9.8 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 57223 zip code with an average of 2.1°. This is one of the coldest places in South Dakota.

In the 57223 zip code, there are 177.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.

In the 57223 zip code, there are 35.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in South Dakota.

Humidity in the 57223 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 57223 zip code with 3.9 inches of rain, and the driest month is February with 0.5 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 24.7 inches in the 57223 zip code means that it is wetter than most places in South Dakota.

June is the rainiest month in the 57223 zip code with 10.8 days of rain, and February is the driest month with only 4.5 rainy days. There are 86.3 rainy days annually in the 57223 zip code, which is rainier 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 17% chance of a rainy day.

An annual snowfall of 38.2 inches in the 57223 zip code means that it is about average compared to other places in South Dakota. December is the snowiest month in the 57223 zip code with 8.1 inches of snow, and 7 months of the year have significant snowfall.

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