Cumberland County, IL Climate

Cumberland County, IL has a humid continental climate, characterized by hot summers and cold winters. The temperature in the summer months can reach up to the mid-90s with high humidity levels while winter temperatures average around 32 degrees Fahrenheit. Precipitation is spread out evenly throughout the year, with an average of 43 inches of rainfall annually. Snowfall also occurs during the colder months, typically amounting to an average of 8 inches. Despite this, Cumberland County is generally known for its mild weather patterns and is considered to be one of the best places in Illinois to live due to its relatively mild climate.

Cumberland County, Illinois gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Cumberland County averages 14 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 Cumberland County. The US average is 205 sunny days.

Cumberland County gets some kind of precipitation, on average, 108 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 87 degrees
Winter Low: the January low is 20
Rain: averages 43 inches of rain a year
Snow: averages 14 inches of snow a year

Bestplaces Comfort Index

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

8.1 Summer - 5.4 Winter

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

Climate	Cumberland, Illinois	United States
	Unlock	38.1 in.
	14.3 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	87.1°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	600 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 Cumberland County with an average high temperature of 87.1°, which ranks it as warmer than most places in Illinois. In Cumberland County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cumberland County are September, May and June.

In Cumberland County, there are 23.2 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

January has the coldest nighttime temperatures for Cumberland County with an average of 20.3°. This is warmer than most places in Illinois.

In Cumberland County, there are 106.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Cumberland County, there are 3.1 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 Cumberland County 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 Cumberland County.

May is the wettest month in Cumberland County with 4.7 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Summer with 28% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 42.7 inches in Cumberland County means that it is wetter than most places in Illinois.

May is the rainiest month in Cumberland County with 11.4 days of rain, and September is the driest month with only 6.8 rainy days. There are 107.6 rainy days annually in Cumberland County, which is about average compared to other 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 14.3 inches in Cumberland County means that it is less snowy than most places in Illinois. January is the snowiest month in Cumberland County with 5.3 inches of snow, and 4 months of the year have significant snowfall.

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