Clinton Metro Area, IA Climate

The climate in the Clinton, IA Metro Area is characterized by hot, humid summers and cold, snowy winters. Summers usually begin in late May and last through early September with temperatures averaging around 80 degrees Fahrenheit during the day and dropping to a low of 60 degrees at night. Winters are cold, with temperatures often falling below freezing for days or weeks at a time. Snowfall is common throughout the winter months, with an average annual snowfall of approximately 30 inches. The area also experiences thunderstorms in the spring and summer months.

Clinton Metro Area, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Clinton Metro Area averages 30 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Clinton Metro Area. The US average is 205 sunny days.

Clinton Metro Area gets some kind of precipitation, on average, 106 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 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 the Clinton metro area is 6.9 (10=best), which means it is more comfortable than most places in Iowa.

8.9 Summer - 4.5 Winter

June, September and August are the most pleasant months in the Clinton metro area, while January and December are the least comfortable months.

Climate	Clinton, Iowa	United States
	36.0 in.	38.1 in.
	29.6 in.	27.8 in.
	106.2 days	106.2 days
	197 days	205 days
	84.1°	85.8°
	11.7°	21.7°
	6.9	7
	3.9	4.3
	724 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 the Clinton metro area with an average high temperature of 84.1°, which ranks it as about average compared to other places in Iowa. In the Clinton metro area, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Clinton metro area are September, June and August.

In the Clinton metro area, there are 11.7 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.

January has the coldest nighttime temperatures for the Clinton metro area with an average of 11.7°. This is warmer than most places in Iowa.

In the Clinton metro area, there are 139.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In the Clinton metro area, there are 14.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

The humidity is usually comfortable in the Clinton metro area 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.

August is the wettest month in the Clinton metro area with 4.6 inches of rain, and the driest month is January with 1.3 inches. The wettest season is Autumn with 36% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 36.0 inches in the Clinton metro area means that it is about average compared to other places in Iowa.

May is the rainiest month in the Clinton metro area with 11.1 days of rain, and February is the driest month with only 6.8 rainy days. There are 106.2 rainy days annually in the Clinton metro area, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 29.6 inches in the Clinton metro area means that it is about average compared to other places in Iowa. January is the snowiest month in the Clinton metro area with 8.8 inches of snow, and 6 months of the year have significant snowfall.

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