Henry County, IL Climate

Henry, IL County has a humid continental climate with warm summers and cold winters. Summers tend to be hot and humid, with average highs in the upper 80s F (30s C) and lows near 70°F (21°C). Winters are cold, with average lows in the low teens F (-10 to -12 C) and highs in the mid 30s F (0 to 2 C). Precipitation is fairly evenly distributed year round, with slightly higher amounts during the summer months. Snowfall is common but usually light, between 5-20 inches (13-50 cm) per season.

Henry County, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Henry County averages 26 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 Henry County. The US average is 205 sunny days.

Henry County gets some kind of precipitation, on average, 105 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 37 inches of rain a year
Snow: averages 26 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Henry County 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 Henry County, while January and December are the least comfortable months.

Climate	Henry, Illinois	United States
	Unlock	38.1 in.
	26.3 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	84.7°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	708 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 Henry County with an average high temperature of 84.7°, which ranks it as cooler than most places in Illinois. In Henry County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Henry County are September, June and August.

In Henry County, there are 14.6 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

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

In Henry County, there are 132.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Henry County, there are 11.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

The humidity is usually comfortable in Henry County 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.

June is the wettest month in Henry County with 4.4 inches of rain, and the driest month is January with 1.5 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 37.4 inches in Henry County means that it is drier than most places in Illinois.

May is the rainiest month in Henry County with 10.9 days of rain, and February is the driest month with only 6.7 rainy days. There are 104.6 rainy days annually in Henry County, which is less rainy 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 21% chance of a rainy day.

An annual snowfall of 26.3 inches in Henry County means that it is snowier than most places in Illinois. January is the snowiest month in Henry County with 8.2 inches of snow, and 6 months of the year have significant snowfall.

Reviews for Henry

See all ()

Write a Review

Start Your Review of Henry

Jobs

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