Arlington, IL Climate


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United States / Illinois / No Metro Area / Bureau County / Arlington / Zip Codes
Arlington, IL has a humid continental climate, with cold, snowy winters and hot, humid summers. The average annual temperature is about 47°F with an average low of 30°F in the winter and an average high of 84°F in the summer. Precipitation is well distributed throughout the year, though spring tends to be the wettest season. On average, Arlington gets about 36 inches of rain annually and 44 inches of snowfall per year.

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

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

On average, there are 190 sunny days per year in Arlington. The US average is 205 sunny days.

Arlington gets some kind of precipitation, on average, 101 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 14
Rain: averages 38 inches of rain a year
Snow: averages 28 inches of snow a year


Bestplaces Comfort Index

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

8.9 Summer - 4.6 Winter
June, September and August are the most pleasant months in Arlington, while January and December are the least comfortable months.

  ClimateArlington, IllinoisUnited States
  38.2 in.38.1 in.
  27.8 in.27.8 in.
  101.1 days106.2 days
  190 days205 days
  84.6°85.8°
  14.1°21.7°
  77
  3.74.3
  751 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 Arlington with an average high temperature of 84.6°, which ranks it as cooler than most places in Illinois. In Arlington, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arlington are September, June and August.
In Arlington, there are 16.4 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.
January has the coldest nighttime temperatures for Arlington with an average of 14.1°. This is colder than most places in Illinois.
In Arlington, there are 131.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.
In Arlington, there are 10.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.
The humidity is usually comfortable in Arlington 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.
May is the wettest month in Arlington with 4.5 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Autumn with 33% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 38.2 inches in Arlington means that it is drier than most places in Illinois.
May is the rainiest month in Arlington with 10.3 days of rain, and February is the driest month with only 6.5 rainy days. There are 101.1 rainy days annually in Arlington, 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 Spring with only a 22% chance of a rainy day.
An annual snowfall of 27.8 inches in Arlington means that it is snowier than most places in Illinois. January is the snowiest month in Arlington with 8.5 inches of snow, and 6 months of the year have significant snowfall.
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