Crystal Lake, Illinois 

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Climate in Crystal Lake, Illinois

Crystal Lake, Illinois gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Crystal Lake averages 35 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 186 sunny days per year in Crystal Lake. The US average is 205 sunny days.

Crystal Lake gets some kind of precipitation, on average, 114 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 13
Rain: averages 37 inches of rain a year
Snow: averages 35 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Crystal Lake is 6.8 (10=best), which means it is less comfortable than most places in Illinois.

6.8 / 10
June, August and September are the most pleasant months in Crystal Lake, while January and December are the least comfortable months.

Climate Averages
  Crystal Lake, IllinoisUnited States
  36.7 in.38.1 in.
  35.1 in.27.8 in.
  114.2 days106.2 days
  186 days205 days
  81.8°85.8°
  12.7°21.7°
  6.87
  3.44.3
  915 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 Crystal Lake with an average high temperature of 81.8°, which ranks it as one of the coolest places in Illinois. In Crystal Lake, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Crystal Lake are June, August and July.


January has the coldest nighttime temperatures for Crystal Lake with an average of 12.7°. This is one of the coldest places in Illinois.


In Crystal Lake, there are 6.9 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.


In Crystal Lake, there are 138.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Illinois.


In Crystal Lake, there are 11.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.


August is the wettest month in Crystal Lake with 4.4 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Autumn with 34% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 36.7 inches in Crystal Lake means that it is drier than most places in Illinois.


May is the rainiest month in Crystal Lake with 11.6 days of rain, and February is the driest month with only 7.6 rainy days. There are 114.2 rainy days annually in Crystal Lake, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 23% chance of a rainy day.


An annual snowfall of 35.1 inches in Crystal Lake means that it is one of the snowiest places in Illinois. January is the snowiest month in Crystal Lake with 10.9 inches of snow, and 6 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Crystal Lake    7 Reviews
    Lots of opprotunities - 1/7/2014
    Great area for recreational boating, fishing and biking. Great place to involve your kids as there are lots of opportunities' for football, baseball and dance. For... Read More

    Start Your Review of Crystal Lake


    Time to move - 12/7/2013
    I have been living here for 12 years. It's a nice community with friendly people, but I hate the weather. It feels like winter is 6 months long with many overcast days,... Read More

    Boring - 6/15/2013
    A nice place to raise a family, but not a lot of diversity. We are looking to move from here and searching in the Colorado... Read More


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    ZIP CODES IN CRYSTAL LAKE, ILLINOIS
    60014

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