Carroll County, IL Climate


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United States / Illinois / No Metro Area / Carroll County / Cities / Zip Codes
equestId":"d9e2a800-92fd-4528-8606-799e4abe5cb2","resource":"content","data":[{"id":"txt_3f315cd2639649b3a74f00fbbcbb3ed0","text":"\nCarroll County, IL has a humid continental climate with hot, humid summers and cold, snowy winters. Summer temperatures usually reach into the mid-80s during the day while winter temperatures can average in the 20s and low 30s. Precipitation is spread fairly evenly throughout the year with occasional heavy rains and snowfall events. Spring and fall generally bring moderate temperatures and mild weather conditions that make them ideal for outdoor activities. The area also receives an average of 45 inches of annual snowfall.

Carroll County, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Carroll County averages 30 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 194 sunny days per year in Carroll County. The US average is 205 sunny days.

Carroll County gets some kind of precipitation, on average, 109 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 84 degrees
Winter Low: the January low is 12
Rain: averages 38 inches of rain a year
Snow: averages 30 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Carroll County is 6.9 (10=best), which means it is less comfortable than most places in Illinois.

8.9 Summer - 4.5 Winter
June, September and August are the most pleasant months in Carroll County, while January and December are the least comfortable months.

  ClimateCarroll, IllinoisUnited States
    Unlock38.1 in.
  30.1 in.  Unlock
    Unlock106.2 days
  194 days  Unlock
  84.4°85.8°
    Unlock21.7°
  6.9  Unlock
    Unlock4.3
  766 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 Carroll County with an average high temperature of 84.4°, which ranks it as cooler than most places in Illinois. In Carroll County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Carroll County are September, June and August.
In Carroll County, there are 13.8 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.
January has the coldest nighttime temperatures for Carroll County with an average of 11.8°. This is one of the coldest places in Illinois.
In Carroll County, there are 142.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Illinois.
In Carroll County, there are 14.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.
The humidity is usually comfortable in Carroll County but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.
June is the wettest month in Carroll County with 4.8 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 36% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 37.7 inches in Carroll County means that it is drier than most places in Illinois.
May is the rainiest month in Carroll County with 11.7 days of rain, and February is the driest month with only 7.0 rainy days. There are 109.4 rainy days annually in Carroll County, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 22% chance of a rainy day.
An annual snowfall of 30.1 inches in Carroll County means that it is snowier than most places in Illinois. January is the snowiest month in Carroll County with 9.5 inches of snow, and 6 months of the year have significant snowfall.
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