Zip 61439 (Henderson, IL) Climate

Henderson, IL has a humid continental climate with hot and humid summers and cold winters. Summers have average temperatures in the mid-80s (Fahrenheit), while winter temperatures typically drop to the mid-20s. Precipitation is evenly distributed throughout the year, with snowfall averaging around 6 inches per year. Winters can be quite windy, making winter temperatures feel even colder than they already are. Overall, Henderson's climate is generally mild and pleasant throughout most of the year.

Henderson (zip 61439), Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Henderson (zip 61439) averages 25 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 Henderson (zip 61439). The US average is 205 sunny days.

Henderson (zip 61439) gets some kind of precipitation, on average, 110 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 14
Rain: averages 38 inches of rain a year
Snow: averages 25 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 61439 zip code is 7.0 (10=best), which means it is about average compared to other places in Illinois.

8.8 Summer - 4.7 Winter

June, September and August are the most pleasant months in the 61439 zip code, while January and December are the least comfortable months.

Climate	Henderson, Illinois	United States
	Unlock	38.1 in.
	24.6 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	84.0°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	830 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 61439 zip code with an average high temperature of 84.0°, which ranks it as cooler than most places in Illinois. In the 61439 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 61439 zip code are September, June and August.

In the 61439 zip code, there are 10.3 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 61439 zip code with an average of 13.6°. This is colder than most places in Illinois.

In the 61439 zip code, there are 133.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In the 61439 zip code, there are 10.1 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 61439 zip code but some summer months can be unpleasant. July is the most humid month, though humidity is low for most of the year. The most humid months in the 61439 zip code are July, August and June.

June is the wettest month in the 61439 zip code with 4.4 inches of rain, and the driest month is January with 1.6 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 38.3 inches in the 61439 zip code means that it is drier than most places in Illinois.

May is the rainiest month in the 61439 zip code with 11.7 days of rain, and February is the driest month with only 7.2 rainy days. There are 109.5 rainy days annually in the 61439 zip code, which is rainier 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 24.6 inches in the 61439 zip code means that it is snowier than most places in Illinois. January is the snowiest month in the 61439 zip code with 7.4 inches of snow, and 5 months of the year have significant snowfall.

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