Osceola County, IA Climate

Osceola, IA County has a humid continental climate with hot summers and cold winters. Summers bring high temperatures and often days with high humidity. During the winter, temperatures drop into the single digits and below zero at night quite often. The area sees an average of 34 inches of rain each year, which is spread out evenly throughout the months. Snowfall can range from light to moderate depending on location and elevation. Spring brings moderate temperatures that are perfect for enjoying the outdoors while still staying comfortable.

Osceola County, Iowa gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Osceola 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 Osceola County. The US average is 205 sunny days.

Osceola County gets some kind of precipitation, on average, 96 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 6
Rain: averages 30 inches of rain a year
Snow: averages 40 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Osceola County is 6.7 (10=best), which means it is less comfortable than most places in Iowa.

9.1 Summer - 4.2 Winter

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

Climate	Osceola, Iowa	United States
	Unlock	38.1 in.
	39.6 in.	Unlock
	Unlock	106.2 days
	208 days	Unlock
	83.0°	85.8°
	Unlock	21.7°
	6.7	Unlock
	Unlock	4.3
	1543 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 Osceola County with an average high temperature of 83.0°, which ranks it as cooler than most places in Iowa. In Osceola County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Osceola County are June, August and September.

In Osceola County, there are 11.5 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.

January has the coldest nighttime temperatures for Osceola County with an average of 5.5°. This is one of the coldest places in Iowa.

In Osceola County, there are 164.6 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Iowa.

In Osceola County, there are 28.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Iowa.

The humidity is usually comfortable in Osceola 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 Osceola County with 4.7 inches of rain, and the driest month is January with 0.7 inches. The wettest season is Autumn with 40% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 29.6 inches in Osceola County means that it is one of the driest places in Iowa.

June is the rainiest month in Osceola County with 11.5 days of rain, and February is the driest month with only 4.9 rainy days. There are 96.2 rainy days annually in Osceola County, which is less rainy than most places in Iowa. The rainiest season is Autumn when it rains 30% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 39.6 inches in Osceola County means that it is one of the snowiest places in Iowa. December is the snowiest month in Osceola County with 9.6 inches of snow, and 7 months of the year have significant snowfall.

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