Macomb Metro Area, IL Climate

The climate in the Macomb, IL Metro Area is quite diverse and changing. Summers are hot and humid with average temperatures reaching the high 80s. Winters can be cold with temperatures dipping into the single digits at times. Spring and fall are moderate in temperature and bring plenty of rain to the area. Precipitation is spread out evenly throughout the year, with June being the wettest month with just over 5 inches of rain. The area does not experience many severe storms or natural disasters as it is located far from any coastlines or large bodies of water.

Macomb Metro Area, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Macomb Metro Area averages 20 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 196 sunny days per year in Macomb Metro Area. The US average is 205 sunny days.

Macomb Metro Area gets some kind of precipitation, on average, 97 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 15
Rain: averages 39 inches of rain a year
Snow: averages 20 inches of snow a year

Bestplaces Comfort Index

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

8.4 Summer - 5.1 Winter

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

Climate	Macomb, Illinois	United States
	Unlock	38.1 in.
	20.1 in.	Unlock
	Unlock	106.2 days
	196 days	Unlock
	86.1°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	666 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 Macomb metro area with an average high temperature of 86.1°, which ranks it as warmer than most places in Illinois. In the Macomb metro area, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Macomb metro area are September, June and May.

In the Macomb metro area, there are 19.4 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 the Macomb metro area with an average of 15.3°. This is colder than most places in Illinois.

In the Macomb metro area, there are 127.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In the Macomb metro area, there are 7.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

The humidity can be uncomfortably heavy or close in the Macomb 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 Macomb metro area.

June is the wettest month in the Macomb metro area with 4.5 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 32% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 38.8 inches in the Macomb metro area means that it is about average compared to other places in Illinois.

May is the rainiest month in the Macomb metro area with 10.8 days of rain, and February is the driest month with only 5.9 rainy days. There are 96.5 rainy days annually in the Macomb metro area, which is one of the least rainy places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 20% chance of a rainy day.

An annual snowfall of 20.1 inches in the Macomb metro area means that it is about average compared to other places in Illinois. January is the snowiest month in the Macomb metro area with 6.8 inches of snow, and 5 months of the year have significant snowfall.

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