Zip 60099 (Zion, IL) Climate

Zion, IL (60099) enjoys four distinct seasons throughout the year. The warmest month of the year is July, when temperatures typically reach the mid-80s during the day, while overnight lows tend to hover around the mid-60s. January is usually the coldest month of the year, and daytime highs are often in the upper 30s with overnight lows sometimes dropping into single digits. Spring and fall are both pleasant seasons with moderate temperature ranges that generally stay above freezing during the night time hours. Overall, Zion has a temperate climate with minimal extremes throughout the year.

Zion (zip 60099), Illinois gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Zion (zip 60099) averages 41 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 Zion (zip 60099). The US average is 205 sunny days.

Zion (zip 60099) gets some kind of precipitation, on average, 113 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 80 degrees
Winter Low: the January low is 16
Rain: averages 36 inches of rain a year
Snow: averages 41 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 60099 zip code is 6.8 (10=best), which means it is less comfortable than most places in Illinois.

9.2 Summer - 4.4 Winter

August, June and July are the most pleasant months in the 60099 zip code, while January and February are the least comfortable months.

Climate	Zion, Illinois	United States
	Unlock	38.1 in.
	40.7 in.	Unlock
	Unlock	106.2 days
	189 days	Unlock
	80.3°	85.8°
	Unlock	21.7°
	6.8	Unlock
	Unlock	4.3
	674 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 60099 zip code with an average high temperature of 80.3°, which ranks it as one of the coolest places in Illinois. In the 60099 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 60099 zip code are August, July and June.

In the 60099 zip code, there are 7.2 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

January has the coldest nighttime temperatures for the 60099 zip code with an average of 15.7°. This is colder than most places in Illinois.

In the 60099 zip code, there are 126.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In the 60099 zip code, there are 7.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

The humidity is usually comfortable in the 60099 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.

May is the wettest month in the 60099 zip code with 4.0 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 31% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 35.6 inches in the 60099 zip code means that it is one of the driest places in Illinois.

May is the rainiest month in the 60099 zip code with 11.5 days of rain, and February is the driest month with only 7.4 rainy days. There are 113.4 rainy days annually in the 60099 zip code, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 40.7 inches in the 60099 zip code means that it is one of the snowiest places in Illinois. January is the snowiest month in the 60099 zip code with 13.1 inches of snow, and 6 months of the year have significant snowfall.

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