Islands

Island

Area of dry or relatively dry land surrounded by water or low wetland.
land Icon Land
Map Marker

GPS Coordinates

Latitude, Longitude:
41.3125333°, -88.6589614°
Elevation Icon

Elevation

486 ft. (148 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. Johnson Island is covered by the Marseilles, IL US Topo Map quadrant

Free US Topo Map PDF Order Waterproof Printed Topo Map
 
Water Icon Water
Land Icon Land
Man-made Icon Man-made

Nearby Islands

Clarks Island 1.8 mi
Bells Island 4.2 mi
Barry Island 5.4 mi

Nearby Cities

Stewardson, IL 142 mi
Toledo, IL 143 mi
Cowden, IL 143 mi
Sigel, IL 144 mi
Greenup, IL 145 mi

Nearby Points of Interest

South Kickapoo Creek Water 0.7 mi
Brookfield Spring Water 0.9 mi
Rat Run Water 1.6 mi
Spring Brook Marina Man-made 1.8 mi
Riverview Cemetery Man-made 1.9 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 GEBHARD WOODS STATE P which is approximately 12 miles away and has an elevation of 505 feet (19 feet higher than Johnson Island). 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 1.75" 29.6° 12.6°
February 1.59" 35.3° 17.7°
March 2.74" 47.4° 28.8°
April 3.54" 60.9° 38.9°
May 3.95" 73.0° 49.5°
June 4.16" 82.5° 58.7°
July 3.72" 85.4° 63.1°
August 3.40" 83.0° 60.7°
September 2.95" 76.4° 52.5°
October 2.54" 64.1° 40.6°
November 3.09" 48.4° 30.8°
December 2.36" 35.1° 19.1°

Summer High Temps

This location's average summer high temps are lower than 58% of other locations on record.

Winter Low Temps

This location's average winter low temps are lower than 71% of other locations on record.

Precipitation Levels

This location's average precipitation levels are higher than 50% of other locations on record.