Coon Lake



Natural body of inland water.
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Map Marker

GPS Coordinates

Latitude, Longitude:
38.9519932°, -90.4901172°
Elevation Icon


420 ft. (128 m.)

Topographic Map

US Topo Map

The USGS (U.S. Geological Survey) publishes a set of the most commonly used topographic maps of the U.S. called US Topo that are separated into rectangular quadrants that are printed at 22.75"x29" or larger. Coon Lake is covered by the Grafton, IL US Topo Map quadrant

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Land Icon Land
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Nearby Lakes

Silver Lake 0.4 mi
Chickahominy Lake 0.7 mi
Royal Lake 1.3 mi
Twin Lakes 1.4 mi
Gilbert Lake 1.5 mi

Nearby Cities

Nearby Points of Interest

Squaw Island Land 0.8 mi
Deer Plain Ferry Man-made 1.0 mi
Calhoun Point Water 1.0 mi
Deer Lick Hollow Land 1.4 mi
Island 521 Land 1.4 mi

Historical Weather

Below are weather averages from 1971 to 2000 according to data gathered from the nearest official weather station. The nearest weather station for both precipitation and temperature measurements is ST CHARLES ELM PO which is approximately 9 miles away and has an elevation of 467 feet (47 feet higher than Coon Lake). Because the nearest station and this geographic feature may have differences in elevation and topography, the historic weather at the two separate locations may be different as well.

Average Daily Temperatures by Month (°F)

Average Monthly Precipitation (in inches)

Month Precip AVG High Temp AVG Low Temp
January 2.23" 37.5° 18.7°
February 2.33" 43.7° 23.0°
March 3.44" 54.6° 32.7°
April 4.12" 66.0° 42.8°
May 4.47" 75.6° 52.7°
June 3.62" 84.2° 62.0°
July 4.00" 88.8° 66.6°
August 3.03" 87.0° 63.7°
September 3.00" 80.1° 55.2°
October 3.08" 68.9° 43.5°
November 3.79" 54.5° 34.1°
December 3.02" 42.2° 23.6°

Summer High Temps

This location's average summer high temps are higher than 62% of other locations on record.

Winter Low Temps

This location's average winter low temps are lower than 51% of other locations on record.

Precipitation Levels

This location's average precipitation levels are higher than 60% of other locations on record.