Sumter, MN Climate

Sumter, MN has a typical Midwestern climate that features four distinct seasons. Summers are usually warm to hot with high humidity levels, while winters are cold and snowy. Average temperatures in the summer months range from the mid-70s during the day to low 50s at night. During winter months, average temperatures range from the low 20s during the day to single digits at night. Average annual precipitation is about 34 inches and snowfall averages about 49 inches per year.

Sumter, Minnesota gets 31 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Sumter averages 44 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 199 sunny days per year in Sumter. The US average is 205 sunny days.

Sumter gets some kind of precipitation, on average, 82 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 83 degrees
Winter Low: the January low is 3
Rain: averages 31 inches of rain a year
Snow: averages 44 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Sumter is 6.7 (10=best), which means it is one of the most pleasant places in Minnesota.

9.3 Summer - 4 Winter

August, June and July are the most pleasant months in Sumter, while January and December are the least comfortable months.

Climate	Sumter, Minnesota	United States
	Unlock	38.1 in.
	44.0 in.	Unlock
	Unlock	106.2 days
	199 days	Unlock
	82.7°	85.8°
	Unlock	21.7°
	6.7	Unlock
	Unlock	4.3
	1030 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 Sumter with an average high temperature of 82.7°, which ranks it as warmer than most places in Minnesota. In Sumter, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sumter are June, August and July.

In Sumter, there are 7.3 days annually when the high temperature is over 90°, which is about average compared to other places in Minnesota.

January has the coldest nighttime temperatures for Sumter with an average of 3.1°. This is about average compared to other places in Minnesota.

In Sumter, there are 164.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Minnesota.

In Sumter, there are 32.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Minnesota.

The humidity is usually comfortable in Sumter but some summer days can be muggy. July is the most humid month, though it is still relatively mild compared to many other places. The most humid months are July, August and June.

June is the wettest month in Sumter with 4.7 inches of rain, and the driest month is January with 0.8 inches. The wettest season is Autumn with 42% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 31.2 inches in Sumter means that it is wetter than most places in Minnesota.

June is the rainiest month in Sumter with 10.1 days of rain, and February is the driest month with only 3.7 rainy days. There are 81.9 rainy days annually in Sumter, which is one of the least rainy places in Minnesota. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 15% chance of a rainy day.

An annual snowfall of 44.0 inches in Sumter means that it is about average compared to other places in Minnesota. December is the snowiest month in Sumter with 9.3 inches of snow, and 6 months of the year have significant snowfall.

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