Pottawattamie County, IA Climate


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United States / Iowa / / Pottawattamie County / Cities / Zip Codes
Pottawattamie County, IA has a humid continental climate with warm summers and cold winters. Winters typically bring very cold temperatures and snowfall, while summers have hot, muggy weather with occasional rain showers. The growing season in Pottawattamie County is relatively short due to the colder winter temperatures. Despite this, Iowa traditionally has some of the best growing conditions in the United States, making it great for agriculture. Average temperatures range from a low of 23°F in January to a high of 83°F in July. Precipitation generally averages around 35 inches per year, which is slightly above average when compared to other parts of the United States.

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

Pottawattamie County averages 28 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 216 sunny days per year in Pottawattamie County. The US average is 205 sunny days.

Pottawattamie County gets some kind of precipitation, on average, 96 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 86 degrees
Winter Low: the January low is 12
Rain: averages 34 inches of rain a year
Snow: averages 28 inches of snow a year


Bestplaces Comfort Index

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

8.6 Summer - 4.9 Winter
September, June and May are the most pleasant months in Pottawattamie County, while January and December are the least comfortable months.

  ClimatePottawattamie, IowaUnited States
  33.8 in.38.1 in.
  27.5 in.27.8 in.
  95.6 days106.2 days
  216 days205 days
  85.7°85.8°
  12.0°21.7°
  77
  3.84.3
  1187 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 Pottawattamie County with an average high temperature of 85.7°, which ranks it as warmer than most places in Iowa. In Pottawattamie County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pottawattamie County are September, June and May.
In Pottawattamie County, there are 18.3 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.
January has the coldest nighttime temperatures for Pottawattamie County with an average of 12.0°. This is warmer than most places in Iowa.
In Pottawattamie County, there are 145.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.
In Pottawattamie County, there are 13.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.
The humidity is usually comfortable in Pottawattamie County 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 Pottawattamie County are July, August and June.
June is the wettest month in Pottawattamie County 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 33.8 inches in Pottawattamie County means that it is drier than most places in Iowa.
May is the rainiest month in Pottawattamie County with 12.2 days of rain, and January is the driest month with only 5.0 rainy days. There are 95.6 rainy days annually in Pottawattamie County, which is less rainy than most 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 27.5 inches in Pottawattamie County means that it is less snowy than most places in Iowa. December is the snowiest month in Pottawattamie County with 6.5 inches of snow, and 7 months of the year have significant snowfall.
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