Iola, IL Climate


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United States / Illinois / No Metro Area / Clay County / Iola / Zip Codes
Iola, IL has a humid continental climate with four distinct seasons. Summers are typically warm and humid while winters can be cold and snowy. The average temperature in the summer is around 78°F and the average temperature in the winter is around 43°F. Rainfall is spread fairly evenly throughout the year, but snowfall can vary significantly from one year to the next. Iola also experiences occasional thunderstorms and tornadoes throughout the year.

Iola, Illinois gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Iola averages 12 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 198 sunny days per year in Iola. The US average is 205 sunny days.

Iola gets some kind of precipitation, on average, 102 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 88 degrees
Winter Low: the January low is 22
Rain: averages 43 inches of rain a year
Snow: averages 12 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Iola is 7.3 (10=best), which means it is one of the most pleasant places in Illinois.

7.9 Summer - 5.5 Winter
September, May and June are the most pleasant months in Iola, while January and December are the least comfortable months.

  ClimateIola, IllinoisUnited States
  43.0 in.38.1 in.
  11.6 in.27.8 in.
  101.7 days106.2 days
  198 days205 days
  87.8°85.8°
  21.8°21.7°
  7.37
  4.14.3
  525 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 Iola with an average high temperature of 87.8°, which ranks it as warmer than most places in Illinois. In Iola, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Iola are September, May and June.
In Iola, there are 29.6 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.
January has the coldest nighttime temperatures for Iola with an average of 21.8°. This is warmer than most places in Illinois.
In Iola, there are 97.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.
In Iola, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.
The humidity can be uncomfortably heavy or close in Iola during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in Iola.
May is the wettest month in Iola with 5.2 inches of rain, and the driest month is February with 2.5 inches. The wettest season is Summer with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 43.0 inches in Iola means that it is wetter than most places in Illinois.
May is the rainiest month in Iola with 10.8 days of rain, and September is the driest month with only 6.7 rainy days. There are 101.7 rainy days annually in Iola, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 23% chance of a rainy day.
An annual snowfall of 11.6 inches in Iola means that it is less snowy than most places in Illinois. January is the snowiest month in Iola with 4.1 inches of snow, and 5 months of the year have significant snowfall.
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