Marshall, IL Climate

Marshall, IL has a humid continental climate with hot and humid summers and cold winters. The temperature varies greatly throughout the year, ranging from an average high of 86 degrees Fahrenheit in July to an average low of 19 degrees in January. Precipitation is moderate throughout the year, with an average of 34 inches falling annually. Snowfall is most common during December and January, when on average around 13 inches will accumulate each month. Winters tend to be long and cold, while summers are hot and humid. Overall, Marshall enjoys four distinct seasons throughout the year.

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

Marshall averages 21 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 Marshall. The US average is 205 sunny days.

Marshall gets some kind of precipitation, on average, 115 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 19
Rain: averages 43 inches of rain a year
Snow: averages 21 inches of snow a year

Bestplaces Comfort Index

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

8.2 Summer - 5.1 Winter

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

Climate	Marshall, Illinois	United States
	42.9 in.	38.1 in.
	21.1 in.	27.8 in.
	115.1 days	106.2 days
	200 days	205 days
	86.4°	85.8°
	19.1°	21.7°
	7.1	7
	3.9	4.3
	636 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 Marshall with an average high temperature of 86.4°, which ranks it as warmer than most places in Illinois. In Marshall, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Marshall are September, May and June.

In Marshall, there are 22.3 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

January has the coldest nighttime temperatures for Marshall with an average of 19.1°. This is warmer than most places in Illinois.

In Marshall, there are 111.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Marshall, there are 4.8 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 Marshall 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 Marshall.

May is the wettest month in Marshall with 4.7 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Autumn with 29% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 42.9 inches in Marshall means that it is wetter than most places in Illinois.

May is the rainiest month in Marshall with 12.2 days of rain, and September is the driest month with only 7.3 rainy days. There are 115.1 rainy days annually in Marshall, 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 22% chance of a rainy day.

An annual snowfall of 21.1 inches in Marshall means that it is about average compared to other places in Illinois. January is the snowiest month in Marshall with 7.9 inches of snow, and 4 months of the year have significant snowfall.