Zip 61920 (Charleston, IL) Climate

Charleston, IL has a humid continental climate with warm summers and cold winters. The average high temperature in the summer is 79°F, and the average low temperature in the winter is 22°F. Precipitation is seasonal with April to June being the wettest months of the year. Snowfall occurs from December to March, with an average yearly snowfall of 21 inches. Overall, Charleston has a moderate climate with mild temperatures throughout the year.

Charleston (zip 61920), Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Charleston (zip 61920) averages 15 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 200 sunny days per year in Charleston (zip 61920). The US average is 205 sunny days.

Charleston (zip 61920) gets some kind of precipitation, on average, 111 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 20
Rain: averages 40 inches of rain a year
Snow: averages 15 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 61920 zip code is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

8.2 Summer - 5.3 Winter

September, May and June are the most pleasant months in the 61920 zip code, while January and December are the least comfortable months.

Climate	Charleston, Illinois	United States
	Unlock	38.1 in.
	15.1 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	86.2°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	690 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 61920 zip code with an average high temperature of 86.2°, which ranks it as warmer than most places in Illinois. In the 61920 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 61920 zip code are September, May and June.

In the 61920 zip code, there are 20.6 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 the 61920 zip code with an average of 20.2°. This is warmer than most places in Illinois.

In the 61920 zip code, there are 103.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In the 61920 zip code, there are 3.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

The humidity can be uncomfortably heavy or close in the 61920 zip code during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in the 61920 zip code.

May is the wettest month in the 61920 zip code with 4.4 inches of rain, and the driest month is February with 2.1 inches. The wettest season is Autumn with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 40.3 inches in the 61920 zip code means that it is wetter than most places in Illinois.

May is the rainiest month in the 61920 zip code with 11.7 days of rain, and September is the driest month with only 7.0 rainy days. There are 111.3 rainy days annually in the 61920 zip code, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 15.1 inches in the 61920 zip code means that it is less snowy than most places in Illinois. January is the snowiest month in the 61920 zip code with 6.2 inches of snow, and 4 months of the year have significant snowfall.

Reviews for Charleston

See all ()

Write a Review

Start Your Review of Charleston

Jobs

The premier source for comprehensive city data for over 30 years.