St. Louis County, MN Climate

St. Louis, MN County has a humid continental climate. Summers are warm and humid with average high temperatures in the upper 80s and low 90s while winters are cold and snowy with average low temperatures in the teens and twenties. Spring is usually mild with temperatures ranging from the 40s to the mid-60s. Fall is cool but pleasant with temperatures ranging from the upper 50s to mid-70s. The area gets an average of 35 inches of rainfall per year, mainly during April through June, making it a great place for outdoor activities all year round.

St. Louis County, Minnesota gets 29 inches of rain, on average, per year. The US average is 38 inches of rain per year.

St. Louis County averages 64 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 179 sunny days per year in St. Louis County. The US average is 205 sunny days.

St. Louis County gets some kind of precipitation, on average, 118 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 77 degrees
Winter Low: the January low is -4
Rain: averages 29 inches of rain a year
Snow: averages 64 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for St. Louis County is 5.9 (10=best), which means it is one of the least comfortable places in Minnesota.

8.9 Summer - 2.9 Winter

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

Climate	St. Louis, Minnesota	United States
	28.9 in.	38.1 in.
	64.2 in.	27.8 in.
	117.9 days	106.2 days
	179 days	205 days
	77.0°	85.8°
	-3.7°	21.7°
	5.9	7
	3.2	4.3
	1379 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 St. Louis County with an average high temperature of 77.0°, which ranks it as one of the coolest places in Minnesota. In St. Louis County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Louis County are July, August and June.

In St. Louis County, there are 2.0 days annually when the high temperature is over 90°, which is one of the coolest places in Minnesota.

January has the coldest nighttime temperatures for St. Louis County with an average of -3.7°. This is colder than most places in Minnesota.

In St. Louis County, there are 193.8 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Minnesota.

In St. Louis County, there are 51.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Minnesota.

Humidity in St. Louis County is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

June is the wettest month in St. Louis County with 4.2 inches of rain, and the driest month is February with 0.6 inches. The wettest season is Autumn with 41% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 28.9 inches in St. Louis County means that it is about average compared to other places in Minnesota.

June is the rainiest month in St. Louis County with 12.9 days of rain, and February is the driest month with only 6.7 rainy days. There are 117.9 rainy days annually in St. Louis County, which is one of the rainiest places in Minnesota. The rainiest season is Autumn 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 64.2 inches in St. Louis County means that it is one of the snowiest places in Minnesota. January is the snowiest month in St. Louis County with 14.5 inches of snow, and 7 months of the year have significant snowfall.

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