Big Swan Lake (aka Swan Lake)



Poorly drained wetland, fresh or saltwater, wooded or grassy, possibly covered with open water.
water Icon Water
Map Marker

GPS Coordinates

Latitude, Longitude:
38.5237326°, -89.4059162°
Elevation Icon


410 ft. (125 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. Big Swan Lake is covered by the Beckemeyer, 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 Swamps

Nearby Cities

Nearby Points of Interest

Goose Lake Water 0.8 mi
Grassy Lake (historical) Water 0.9 mi
Zachary Man-made 1.2 mi
Cow Lake Water 1.2 mi
Santa Fe Levee Land 1.3 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 CARLYLE RESERV which is approximately 8 miles away and has an elevation of 501 feet (91 feet higher than Big Swan 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 2.17" 36.3° 18.8°
February 2.41" 42.6° 22.9°
March 3.82" 53.7° 33.1°
April 3.91" 64.6° 42.8°
May 4.23" 74.6° 53.0°
June 4.44" 83.6° 62.1°
July 3.69" 87.7° 66.6°
August 2.84" 86.0° 64.6°
September 3.05" 79.4° 56.7°
October 3.01" 68.0° 44.8°
November 3.84" 54.0° 34.9°
December 3.23" 41.7° 23.8°

Summer High Temps

This location's average summer high temps are higher than 56% 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 61% of other locations on record.