Rockford Metro Area, IL Climate

The Rockford, IL Metro Area has a humid continental climate with warm summers and cold winters. The average summer temperature is around 75°F (24°C), while the average winter temperature is around 27°F (-3°C). Spring and fall are generally mild temperatures, with an average of about 44-55°F (7-13°C). During the summer months, there can be occasional periods of intense heat, with temperatures reaching up to 90°F (32°C). Precipitation is evenly spread throughout the year. Snowfall in the winter months averages around 28 inches.

Rockford Metro Area, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Rockford Metro Area averages 34 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 Rockford Metro Area. The US average is 205 sunny days.

Rockford Metro Area gets some kind of precipitation, on average, 116 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 84 degrees
Winter Low: the January low is 12
Rain: averages 37 inches of rain a year
Snow: averages 34 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the Rockford metro area is 6.8 (10=best), which means it is less comfortable than most places in Illinois.

9 Summer - 4.3 Winter

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

Climate	Rockford, Illinois	United States
	Unlock	38.1 in.
	34.2 in.	Unlock
	Unlock	106.2 days
	196 days	Unlock
	83.5°	85.8°
	Unlock	21.7°
	6.8	Unlock
	Unlock	4.3
	833 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 Rockford metro area with an average high temperature of 83.5°, which ranks it as cooler than most places in Illinois. In the Rockford metro area, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Rockford metro area are June, September and August.

In the Rockford metro area, there are 11.5 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

January has the coldest nighttime temperatures for the Rockford metro area with an average of 12.2°. This is one of the coldest places in Illinois.

In the Rockford metro area, there are 139.9 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Illinois.

In the Rockford metro area, there are 13.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.

The humidity is usually comfortable in the Rockford metro area 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 the Rockford metro area with 4.8 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 36% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 36.9 inches in the Rockford metro area means that it is drier than most places in Illinois.

May is the rainiest month in the Rockford metro area with 11.9 days of rain, and February is the driest month with only 7.9 rainy days. There are 115.6 rainy days annually in the Rockford metro area, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 34.2 inches in the Rockford metro area means that it is snowier than most places in Illinois. December is the snowiest month in the Rockford metro area with 10.8 inches of snow, and 6 months of the year have significant snowfall.

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