Bloomington, IL Climate


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United States / Illinois / Bloomington Metro Area / McLean County / Bloomington / Zip Codes
The climate in Bloomington, IL is typically humid continental with hot summers and cold winters. Summer temperatures average around 86°F during the day, while winter temperatures range from 20-30°F. The area is known for its severe weather with thunderstorms occurring throughout the summer months. Precipitation is abundant and averages about 40 inches each year with snowfall usually ranging from 30-40 inches annually. Bloomington, IL can experience extreme weather due to its location on the border of two climatic regions.

Bloomington, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Bloomington averages 21 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 Bloomington. The US average is 205 sunny days.

Bloomington gets some kind of precipitation, on average, 105 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 15
Rain: averages 39 inches of rain a year
Snow: averages 21 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Bloomington is 7.0 (10=best), which means it is about average compared to other places in Illinois.

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

  ClimateBloomington, IllinoisUnited States
  39.4 in.38.1 in.
  21.0 in.27.8 in.
  104.9 days106.2 days
  194 days205 days
  85.6°85.8°
  15.0°21.7°
  77
  3.74.3
  797 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 Bloomington with an average high temperature of 85.6°, which ranks it as about average compared to other places in Illinois. In Bloomington, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bloomington are September, May and June.
In Bloomington, there are 19.7 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.
January has the coldest nighttime temperatures for Bloomington with an average of 15.0°. This is colder than most places in Illinois.
In Bloomington, there are 131.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.
In Bloomington, there are 8.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.
The humidity is usually comfortable in Bloomington 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 Bloomington are July, August and June.
May is the wettest month in Bloomington with 4.5 inches of rain, and the driest month is February with 1.9 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 39.4 inches in Bloomington means that it is about average compared to other places in Illinois.
May is the rainiest month in Bloomington with 10.7 days of rain, and February is the driest month with only 6.9 rainy days. There are 104.9 rainy days annually in Bloomington, which is about average compared to other places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 22% chance of a rainy day.
An annual snowfall of 21.0 inches in Bloomington means that it is about average compared to other places in Illinois. January is the snowiest month in Bloomington with 6.7 inches of snow, and 6 months of the year have significant snowfall.
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Yasue · Bloomington, IL
Ten + years, a review of TWO cities: Blo/No
Over 8 years ago

If you're not from here it might be hard to figure out that Bloomington and Normal are actually one city mushed together, so make sure you look up info on Normal, IL  More

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J · Bloomington, IL
14 Years a Native
Over 10 years ago

Bloomington-Normal as a city is full of resturants and movie theaters. The downtown bar scene is dominated by ISU, IWU, and HCC students. The colleges can have some fun  More

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J · Bloomington, IL
!4 Years in Bloomington; A Natives Perspective
Over 10 years ago

Bloomington-Normal as a city is full of resturants and movie theaters. The downtown bar scene is dominated by ISU, IWU, and HCC students. The colleges can have some fun  More

   |    Reply

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