Monroe County, IA Climate

Monroe, IA County has a humid continental climate. Summers in the county are usually hot and humid, with temperatures ranging from the high seventies to low nineties. Winters are cold and snowy, often dropping into single digits overnight. The region receives an average of 38 inches of total precipitation annually, with snowfall amounting to 24 inches year-round. The county is known for its frequent thunderstorms and occasional tornadoes due to its low elevation and proximity to nearby rivers and lakes.

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

Monroe County averages 26 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Monroe County. The US average is 205 sunny days.

Monroe County gets some kind of precipitation, on average, 102 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 85 degrees
Winter Low: the January low is 13
Rain: averages 38 inches of rain a year
Snow: averages 26 inches of snow a year

Bestplaces Comfort Index

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

8.7 Summer - 4.9 Winter

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

Climate	Monroe, Iowa	United States
	37.8 in.	38.1 in.
	25.8 in.	27.8 in.
	101.7 days	106.2 days
	202 days	205 days
	84.9°	85.8°
	13.0°	21.7°
	7	7
	3.7	4.3
	889 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 Monroe County with an average high temperature of 84.9°, which ranks it as warmer than most places in Iowa. In Monroe County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Monroe County are September, June and August.

In Monroe County, there are 14.7 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

January has the coldest nighttime temperatures for Monroe County with an average of 13.0°. This is warmer than most places in Iowa.

In Monroe County, there are 135.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Monroe County, there are 13.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

The humidity is usually comfortable in Monroe County but some summer months can be unpleasant. July is the most humid month, though humidity is low for most of the year. The most humid months in Monroe County are July, August and June.

July is the wettest month in Monroe County with 5.1 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 38% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 37.8 inches in Monroe County means that it is one of the wettest places in Iowa.

May is the rainiest month in Monroe County with 12.1 days of rain, and January is the driest month with only 5.5 rainy days. There are 101.7 rainy days annually in Monroe County, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 25.8 inches in Monroe County means that it is less snowy than most places in Iowa. December is the snowiest month in Monroe County with 6.6 inches of snow, and 6 months of the year have significant snowfall.

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