Monona County, IA Climate

Monona County, IA has a humid continental climate, which is characterized by hot summers, cold winters, and moderate precipitation throughout the year. The average high temperature in summer is 80 degrees Fahrenheit, while the average low temperature in winter is around 6 degrees Fahrenheit. Precipitation levels vary significantly during different months of the year; typically ranging from 1 to 5 inches per month. Monona County also experiences a fair amount of snowfall throughout the winter months, with an average of around 25 inches. Despite the cold weather conditions, Monona County experiences mild weather conditions overall and its temperate climate makes it a great place to live or visit.

Monona County, Iowa gets 31 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 210 sunny days per year in Monona County. The US average is 205 sunny days.

Monona County 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 86 degrees
Winter Low: the January low is 9
Rain: averages 31 inches of rain a year
Snow: averages 28 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Monona County is 7.0 (10=best), which means it is more comfortable than most places in Iowa.

8.8 Summer - 4.7 Winter

June, September and August are the most pleasant months in Monona County, while January and December are the least comfortable months.

Climate	Monona, Iowa	United States
	Unlock	38.1 in.
	28.0 in.	Unlock
	Unlock	106.2 days
	210 days	Unlock
	85.5°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	1153 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 Monona County with an average high temperature of 85.5°, which ranks it as warmer than most places in Iowa. In Monona County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Monona County are September, June and May.

In Monona County, there are 18.3 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

January has the coldest nighttime temperatures for Monona County with an average of 9.3°. This is colder than most places in Iowa.

In Monona County, there are 157.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Iowa.

In Monona County, there are 19.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Iowa.

The humidity is usually comfortable in Monona County 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 Monona County with 4.6 inches of rain, and the driest month is January with 0.7 inches. The wettest season is Autumn with 39% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 31.2 inches in Monona County means that it is one of the driest places in Iowa.

May is the rainiest month in Monona County with 10.0 days of rain, and January is the driest month with only 4.0 rainy days. There are 81.5 rainy days annually in Monona County, which is one of the least rainy places in Iowa. The rainiest season is Summer 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 28.0 inches in Monona County means that it is less snowy than most places in Iowa. December is the snowiest month in Monona County with 7.3 inches of snow, and 7 months of the year have significant snowfall.