Rock County, MN Climate

Rock, MN County has a humid continental climate with hot summers and cold winters. The average temperature in the summer is between 60 and 80 degrees Fahrenheit, while winter temperatures typically range from 10 to 40 degrees Fahrenheit. During the summer months, precipitation is common as thunderstorms bring heavy rain and occasional hail. During the winter months, snowfall averages around 30 inches per year. Winters can be long and cold with some stretches of sub-zero temperatures. On average, Rock County receives around 32 inches of rainfall per year with most of it coming during the spring and summer months.

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

Rock County averages 40 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 208 sunny days per year in Rock County. The US average is 205 sunny days.

Rock County gets some kind of precipitation, on average, 90 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 6
Rain: averages 29 inches of rain a year
Snow: averages 40 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Rock is 6.8 (10=best), which means it is one of the most pleasant places in Minnesota.

9.2 Summer - 4.2 Winter

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

Climate	Rock, Minnesota	United States
	28.5 in.	38.1 in.
	40.2 in.	27.8 in.
	89.8 days	106.2 days
	208 days	205 days
	83.7°	85.8°
	5.8°	21.7°
	6.8	7
	3.6	4.3
	1547 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 Rock with an average high temperature of 83.7°, which ranks it as one of the hottest places in Minnesota. In Rock, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rock are June, August and September.

In Rock, there are 12.7 days annually when the high temperature is over 90°, which is one of the hottest places in Minnesota.

January has the coldest nighttime temperatures for Rock with an average of 5.8°. This is warmer than most places in Minnesota.

In Rock, there are 166.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Minnesota.

In Rock, there are 28.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Minnesota.

The humidity is usually comfortable in Rock 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 Rock with 4.5 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 40% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 28.5 inches in Rock means that it is about average compared to other places in Minnesota.

May is the rainiest month in Rock with 11.0 days of rain, and February is the driest month with only 4.6 rainy days. There are 89.8 rainy days annually in Rock, which is less rainy than most places in Minnesota. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.

An annual snowfall of 40.2 inches in Rock means that it is less snowy than most places in Minnesota. December is the snowiest month in Rock with 8.0 inches of snow, and 7 months of the year have significant snowfall.

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