Centralia Metro Area, IL Climate

The climate in Centralia, IL Metro Area is typically considered to be a humid continental climate. Summers are hot and humid with temperatures ranging from the mid-70s to the low 90s. Winters can range from mild to cold and snowy with temperatures reaching around 20°F or below at times. Precipitation is abundant throughout the year, with snowfall potentially occurring during any winter month. The area receives an average of 36 inches of rain annually and approximately 24 inches of snow each year.

Centralia Metro Area, Illinois gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Centralia Metro Area averages 11 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 Centralia Metro Area. The US average is 205 sunny days.

Centralia Metro Area gets some kind of precipitation, on average, 102 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 88 degrees
Winter Low: the January low is 21
Rain: averages 44 inches of rain a year
Snow: averages 11 inches of snow a year

Bestplaces Comfort Index

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

7.9 Summer - 5.5 Winter

September, May and June are the most pleasant months in the Centralia metro area, while January and December are the least comfortable months.

Climate	Centralia, Illinois	United States
	43.5 in.	38.1 in.
	10.5 in.	27.8 in.
	101.8 days	106.2 days
	200 days	205 days
	87.7°	85.8°
	20.7°	21.7°
	7.2	7
	4.3	4.3
	535 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 the Centralia metro area with an average high temperature of 87.7°, which ranks it as warmer than most places in Illinois. In the Centralia metro area, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Centralia metro area are September, May and June.

In the Centralia metro area, there are 28.4 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

January has the coldest nighttime temperatures for the Centralia metro area with an average of 20.7°. This is warmer than most places in Illinois.

In the Centralia metro area, there are 104.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In the Centralia metro area, there are 3.0 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 Centralia metro area 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 Centralia metro area.

May is the wettest month in the Centralia metro area with 5.2 inches of rain, and the driest month is February with 2.6 inches. The wettest season is Summer with 29% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 43.5 inches in the Centralia metro area means that it is wetter than most places in Illinois.

May is the rainiest month in the Centralia metro area with 11.0 days of rain, and September is the driest month with only 6.6 rainy days. There are 101.8 rainy days annually in the Centralia metro area, which is less rainy 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 10.5 inches in the Centralia metro area means that it is one of the least snowy places in Illinois. January is the snowiest month in the Centralia metro area with 3.4 inches of snow, and 4 months of the year have significant snowfall.

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