Zip 60603 (Chicago, IL) Climate

The climate in zip code 60603 is typical for the Midwestern United States, with cold winters and hot and humid summers. Winter temperatures typically range from the mid 20s to low 30s Fahrenheit while summer temperatures can reach into the upper 80s and 90s Fahrenheit, especially during July and August. The area gets an average of 36 inches of rain per year, distributed throughout all four seasons. Snowfall is also common during winter months, usually averaging 25 inches per year.

Chicago (zip 60603), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Chicago (zip 60603) averages 37 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 Chicago (zip 60603). The US average is 205 sunny days.

Chicago (zip 60603) gets some kind of precipitation, on average, 126 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 20
Rain: averages 39 inches of rain a year
Snow: averages 37 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 60603 zip code is 7.0 (10=best), which means it is about average compared to other places in Illinois.

9 Summer - 4.7 Winter

June, September and August are the most pleasant months in the 60603 zip code, while January and December are the least comfortable months.

Climate	Chicago, Illinois	United States
	Unlock	38.1 in.
	37.2 in.	Unlock
	Unlock	106.2 days
	189 days	Unlock
	84.0°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	589 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 60603 zip code with an average high temperature of 84.0°, which ranks it as cooler than most places in Illinois. In the 60603 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 60603 zip code are June, September and August.

In the 60603 zip code, there are 13.5 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 60603 zip code with an average of 19.7°. This is warmer than most places in Illinois.

In the 60603 zip code, there are 101.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In the 60603 zip code, there are 3.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

The humidity is usually comfortable in the 60603 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 60603 zip code with 4.1 inches of rain, and the driest month is February with 2.0 inches. The wettest season is Autumn with 30% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 38.6 inches in the 60603 zip code means that it is about average compared to other places in Illinois.

November is the rainiest month in the 60603 zip code with 11.9 days of rain, and February is the driest month with only 8.5 rainy days. There are 125.6 rainy days annually in the 60603 zip code, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 37.2 inches in the 60603 zip code means that it is one of the snowiest places in Illinois. January is the snowiest month in the 60603 zip code with 11.4 inches of snow, and 6 months of the year have significant snowfall.

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