Shelby, IA Climate


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United States / Iowa / Omaha-Council Bluffs Metro Area / Shelby County / Shelby / Zip Codes
Shelby, IA has a humid continental climate with warm and humid summers and cold winters. The average temperature ranges from -10°F in the winter to 80°F in the summer. Rainfall is generally moderate throughout the year, with snowfall occurring during the winter months. The area experiences an average of 40 inches of rain annually, and an average of 30 inches of snow per season. Spring and fall seasons typically offer mild temperatures, making it a pleasant time to enjoy outdoor activities.

Shelby, Iowa gets 34 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Shelby averages 29 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 217 sunny days per year in Shelby. The US average is 205 sunny days.

Shelby gets some kind of precipitation, on average, 98 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 85 degrees
Winter Low: the January low is 11
Rain: averages 34 inches of rain a year
Snow: averages 29 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Shelby is 7.0 (10=best), which means it is more comfortable than most places in Iowa.

8.7 Summer - 4.8 Winter
June, September and August are the most pleasant months in Shelby, while January and December are the least comfortable months.

  ClimateShelby, IowaUnited States
    Unlock38.1 in.
  28.7 in.  Unlock
    Unlock106.2 days
  217 days  Unlock
  84.7°85.8°
    Unlock21.7°
  7  Unlock
    Unlock4.3
  1306 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 Shelby with an average high temperature of 84.7°, which ranks it as warmer than most places in Iowa. In Shelby, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Shelby are September, June and August.
In Shelby, there are 15.1 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.
January has the coldest nighttime temperatures for Shelby with an average of 10.7°. This is warmer than most places in Iowa.
In Shelby, there are 151.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Iowa.
In Shelby, there are 16.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Iowa.
The humidity is usually comfortable in Shelby but some summer months can be unpleasant. July is the most humid month, though humidity is low for most of the year. The most humid months in Shelby are July, August and June.
June is the wettest month in Shelby with 5.0 inches of rain, and the driest month is January with 0.8 inches. The wettest season is Autumn with 39% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 34.3 inches in Shelby means that it is drier than most places in Iowa.
May is the rainiest month in Shelby with 12.2 days of rain, and January is the driest month with only 5.3 rainy days. There are 98.2 rainy days annually in Shelby, which is about average compared to other places in Iowa. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 18% chance of a rainy day.
An annual snowfall of 28.7 inches in Shelby means that it is less snowy than most places in Iowa. December is the snowiest month in Shelby with 7.0 inches of snow, and 7 months of the year have significant snowfall.
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