Tazewell County, IL Climate

Tazewell County, IL has a humid continental climate, with warm, humid summers and cold winters. The average high temperature in the summer is in the mid-80s Fahrenheit (27-30 Celsius), while the average low temperature during winter typically drops down to around 20°F (-6°C). Precipitation is fairly consistent throughout the year, although slightly higher amounts can be seen from April through June. Winters usually bring snowfall ranging from light to moderate, while summers are mostly sunny and dry.

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

Tazewell County averages 23 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 192 sunny days per year in Tazewell County. The US average is 205 sunny days.

Tazewell County 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 86 degrees
Winter Low: the January low is 16
Rain: averages 38 inches of rain a year
Snow: averages 23 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Tazewell County is 7.1 (10=best), which means it is more comfortable than most places in Illinois.

8.5 Summer - 4.9 Winter

September, June and May are the most pleasant months in Tazewell County, while January and December are the least comfortable months.

Climate	Tazewell, Illinois	United States
	38.0 in.	38.1 in.
	23.1 in.	27.8 in.
	109.6 days	106.2 days
	192 days	205 days
	85.9°	85.8°
	15.9°	21.7°
	7.1	7
	3.9	4.3
	616 ft.	2443 ft.

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 Tazewell County with an average high temperature of 85.9°, which ranks it as about average compared to other places in Illinois. In Tazewell County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tazewell County are September, May and June.

In Tazewell County, 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 Tazewell County with an average of 15.9°. This is about average compared to other places in Illinois.

In Tazewell County, there are 124.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.

In Tazewell County, there are 7.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

The humidity is usually comfortable in Tazewell County 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 Tazewell County are July, August and June.

May is the wettest month in Tazewell County with 4.5 inches of rain, and the driest month is February with 1.8 inches. The wettest season is Autumn with 30% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 38.0 inches in Tazewell County means that it is drier than most places in Illinois.

May is the rainiest month in Tazewell County with 11.4 days of rain, and September is the driest month with only 7.3 rainy days. There are 109.6 rainy days annually in Tazewell County, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 23.1 inches in Tazewell County means that it is snowier than most places in Illinois. January is the snowiest month in Tazewell County with 7.1 inches of snow, and 6 months of the year have significant snowfall.

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