Zip 60139 (Glendale Heights, IL) Climate

60139 Glendale Heights, IL has a humid continental climate with cold, snowy winters and hot, humid summers. The average winter temperature is 22°F (-6°C), while the average summer temperature is 79°F (26°C). During the winter months, temperatures typically drop below freezing and snowfall can be expected on a regular basis. Rainfall occurs throughout the year, with June bringing the highest amount of precipitation. Temperatures reach their peak in July and August, when highs often exceed 90°F (32°C).

Glendale Heights (zip 60139), Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Glendale Heights (zip 60139) averages 33 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 189 sunny days per year in Glendale Heights (zip 60139). The US average is 205 sunny days.

Glendale Heights (zip 60139) gets some kind of precipitation, on average, 122 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 33 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 60139 zip code is 6.8 (10=best), which means it is less comfortable than most places in Illinois.

8.8 Summer - 4.5 Winter

June, September and August are the most pleasant months in the 60139 zip code, while January and December are the least comfortable months.

Climate	Glendale Heights, Illinois	United States
	Unlock	38.1 in.
	32.8 in.	Unlock
	Unlock	106.2 days
	189 days	Unlock
	85.2°	85.8°
	Unlock	21.7°
	6.8	Unlock
	Unlock	4.3
	788 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 the 60139 zip code with an average high temperature of 85.2°, which ranks it as about average compared to other places in Illinois. In the 60139 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 60139 zip code are September, June and August.

In the 60139 zip code, there are 16.3 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

January has the coldest nighttime temperatures for the 60139 zip code with an average of 13.6°. This is colder than most places in Illinois.

In the 60139 zip code, there are 144.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Illinois.

In the 60139 zip code, there are 8.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

The humidity is usually comfortable in the 60139 zip code 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.

August is the wettest month in the 60139 zip code with 4.5 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 34% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 37.9 inches in the 60139 zip code means that it is drier than most places in Illinois.

May is the rainiest month in the 60139 zip code with 12.0 days of rain, and September is the driest month with only 8.0 rainy days. There are 122.1 rainy days annually in the 60139 zip code, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 32.8 inches in the 60139 zip code means that it is snowier than most places in Illinois. January is the snowiest month in the 60139 zip code with 10.8 inches of snow, and 6 months of the year have significant snowfall.

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