Shelby, SD Climate


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Shelby, SD has a humid continental climate with hot summers and cold winters. The area averages 37 inches of precipitation per year, which is evenly spread throughout the seasons. Summers are typically warm with temperatures in the mid to high 80s while winters are very cold with average temperatures in the teens. Snowfall can be significant during winter months, but usually melts quickly as spring arrives. Shelby experiences frequent thunderstorms during summer months that can sometimes bring severe weather such as damaging winds and heavy rains.

Bestplaces Comfort Index

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

9.2 Summer - 3.9 Winter
August, July and June are the most pleasant months in Shelby, while January and December are the least comfortable months.

  ClimateShelby, South DakotaUnited States
  22.5 in.38.1 in.
  40.0 in.27.8 in.
  87.3 days106.2 days
  202 days205 days
  84.0°85.8°
  1.5°21.7°
  6.67
  34.3
  1304 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 Shelby with an average high temperature of 84.0°, which ranks it as cooler than most places in South Dakota. In Shelby, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Shelby are June, August and September.
In Shelby, there are 14.2 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 Shelby with an average of 1.5°. This is one of the coldest places in South Dakota.
In Shelby, there are 174.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Dakota.
In Shelby, there are 37.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in South Dakota.
Humidity in Shelby 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.
July is the wettest month in Shelby with 3.6 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 43% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 22.5 inches in Shelby means that it is about average compared to other places in South Dakota.
June is the rainiest month in Shelby with 10.6 days of rain, and February is the driest month with only 5.3 rainy days. There are 87.3 rainy days annually in Shelby, 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 19% chance of a rainy day.
An annual snowfall of 40.0 inches in Shelby means that it is snowier than most places in South Dakota. December is the snowiest month in Shelby with 7.8 inches of snow, and 7 months of the year have significant snowfall.
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