Clear Lake, IA Climate


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Clear Lake, IA has a humid continental climate, which is characterized by hot summers and cold winters. During the summer months, temperatures are usually around 80-90 degrees Fahrenheit with high humidity levels. In the winter, temperatures typically range from 20-30 degrees Fahrenheit with snowfall occurring on average 12-15 days of the year. The area receives an average of 33 inches of precipitation annually, making it one of the wettest regions in the Midwest.

Clear Lake, Iowa gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Clear Lake averages 38 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 190 sunny days per year in Clear Lake. The US average is 205 sunny days.

Clear Lake gets some kind of precipitation, on average, 104 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 82 degrees
Winter Low: the January low is 7
Rain: averages 35 inches of rain a year
Snow: averages 38 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Clear Lake is 6.6 (10=best), which means it is one of the least comfortable places in Iowa.

9.1 Summer - 4.1 Winter
June, August and July are the most pleasant months in Clear Lake, while January and December are the least comfortable months.

  ClimateClear Lake, IowaUnited States
  35.1 in.38.1 in.
  38.4 in.27.8 in.
  103.9 days106.2 days
  190 days205 days
  82.4°85.8°
  6.5°21.7°
  6.67
  3.84.3
  1234 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 Clear Lake with an average high temperature of 82.4°, which ranks it as one of the coolest places in Iowa. In Clear Lake, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Clear Lake are June, August and July.
In Clear Lake, there are 9.1 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.
January has the coldest nighttime temperatures for Clear Lake with an average of 6.5°. This is one of the coldest places in Iowa.
In Clear Lake, there are 159.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Iowa.
In Clear Lake, there are 25.5 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 Clear Lake 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 Clear Lake with 5.2 inches of rain, and the driest month is January with 0.8 inches. The wettest season is Autumn with 40% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 35.1 inches in Clear Lake means that it is drier than most places in Iowa.
May is the rainiest month in Clear Lake with 11.9 days of rain, and February is the driest month with only 6.1 rainy days. There are 103.9 rainy days annually in Clear Lake, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 19% chance of a rainy day.
An annual snowfall of 38.4 inches in Clear Lake means that it is one of the snowiest places in Iowa. December is the snowiest month in Clear Lake with 9.3 inches of snow, and 6 months of the year have significant snowfall.
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