Hillside, SD Climate


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Hillside, SD has a moderate climate with hot summers and cold winters. During the summer months of June through August, temperatures usually reach into the high 80s and low 90s with some days even reaching triple digits. During the winter months of December through February, temperatures can drop below freezing and snow is common in the area. No matter what time of year it is, residents have ample opportunity to enjoy outdoor activities such as camping, fishing, hiking and more.

Bestplaces Comfort Index

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

9.2 Summer - 4.2 Winter
August, July and June are the most pleasant months in Hillside, while January and December are the least comfortable months.

  ClimateHillside, South DakotaUnited States
  20.5 in.38.1 in.
  36.6 in.27.8 in.
  70.4 days106.2 days
  202 days205 days
  84.0°85.8°
  4.0°21.7°
  6.77
  2.94.3
  1802 ft.2443 ft.
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 Hillside with an average high temperature of 84.0°, which ranks it as cooler than most places in South Dakota. In Hillside, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hillside are June, August and September.
In Hillside, there are 16.0 days annually when the high temperature is over 90°, which is about average compared to other places in South Dakota.
January has the coldest nighttime temperatures for Hillside with an average of 4.0°. This is colder than most places in South Dakota.
In Hillside, there are 177.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.
In Hillside, there are 33.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in South Dakota.
Humidity in Hillside 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 Hillside with 3.5 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 43% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 20.5 inches in Hillside means that it is drier than most places in South Dakota.
June is the rainiest month in Hillside with 9.7 days of rain, and December is the driest month with only 3.9 rainy days. There are 70.4 rainy days annually in Hillside, 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 17% chance of a rainy day.
An annual snowfall of 36.6 inches in Hillside means that it is about average compared to other places in South Dakota. February is the snowiest month in Hillside with 6.7 inches of snow, and 7 months of the year have significant snowfall.
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