Warren County, IA Climate

Warren County, Iowa has a temperate climate with four distinct seasons. Winters are cold and snowy while summers are hot and humid. Spring and fall tend to be milder than the other two seasons, but still bring rain and occasional snow. The area enjoys an average of 204 sunny days per year, making it a great place for outdoor activities. Average temperatures range from the mid-20s in winter to the mid-80s in summer. Precipitation levels tend to stay consistent throughout the year with around 35 inches of rain annually.

Warren County, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Warren County averages 30 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 Warren County. The US average is 205 sunny days.

Warren County gets some kind of precipitation, on average, 101 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 12
Rain: averages 36 inches of rain a year
Snow: averages 30 inches of snow a year

Bestplaces Comfort Index

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

8.6 Summer - 4.8 Winter

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

Climate	Warren, Iowa	United States
	Unlock	38.1 in.
	29.8 in.	Unlock
	Unlock	106.2 days
	202 days	Unlock
	85.0°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	907 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 Warren County with an average high temperature of 85.0°, which ranks it as warmer than most places in Iowa. In Warren County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Warren County are September, June and August.

In Warren County, there are 15.2 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

January has the coldest nighttime temperatures for Warren County with an average of 12.4°. This is warmer than most places in Iowa.

In Warren County, there are 137.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Warren County, there are 14.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

The humidity is usually comfortable in Warren 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 Warren County are July, August and June.

May is the wettest month in Warren County with 5.0 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 37% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 36.2 inches in Warren County means that it is wetter than most places in Iowa.

May is the rainiest month in Warren County with 12.1 days of rain, and January is the driest month with only 5.8 rainy days. There are 101.3 rainy days annually in Warren 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 19% chance of a rainy day.

An annual snowfall of 29.8 inches in Warren County means that it is about average compared to other places in Iowa. December is the snowiest month in Warren County with 7.5 inches of snow, and 6 months of the year have significant snowfall.

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