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Weather & Climate in East Galesburg, IL

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

East Galesburg experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 23°F in January while summers reach 74°F in July. The area gets 275 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 40.5 inches. The area receives 25.4 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 732 feet.

Temperature

23°F Jan (-5°C) 74°F Jul (23°C)
Annual Average50.4°F
7% below US avg
January Average23°F (-5°C)
July Average74°F (23°C)
Sunny Days275 days/yr

Geography

Elevation732 ft (223 m)
Area1.4 sq mi (3.5 km²)
Population Density493/sq mi
Coordinates40.9428°N, 90.3110°W
TimezoneAmerica/Chicago
CountyKnox County County
Nearest AirportQuad Cities International (MLI)
36 miles away

Precipitation & Snow

Annual Rainfall 40.5"
7% above US avg
Snowfall 25.4"
Wettest Month (Jul) 4.29"
Driest Month (Feb) 1.38"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score57.2 / 100
Social Vulnerability49.8 / 100
Community Resilience66.0 / 100

Hazard Breakdown

Tornado Relatively Moderate
Hurricane Very Low
Earthquake Very Low
Wildfire Very Low
Flood Relatively Low
Hail Relatively Moderate
Strong Wind Relatively High
Heat Wave Relatively Moderate
Winter Weather Relatively Low
Lightning Relatively Moderate
Ice Storm Relatively Moderate
Drought Relatively Moderate
Cold Wave Relatively Moderate
Landslide Relatively Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.

Jun 28, 2004 12 km NW of Dayton, Illinois M4.2 131 km 10 km
Sep 2, 1999 8 km W of Amboy, Illinois M3.5 113 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

667 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 18 fatalities, 529 injuries.

Date Rating Distance Path Fatalities
Nov 17, 2013 EF4 72 km 46.4 mi 3
Jul 13, 2004 EF4 84 km 9.6 mi 0
May 13, 1995 EF4 93 km 50.0 mi 0
May 13, 1995 EF4 64 km 7.0 mi 0
Mar 29, 1981 EF4 87 km 5.1 mi 0
Jun 29, 1976 EF4 50 km 4.9 mi 0
Apr 4, 2023 EF3 68 km 19.9 mi 0
Feb 28, 2017 EF3 80 km 17.8 mi 0
Jun 1, 2007 EF3 82 km 15.8 mi 0
Apr 20, 2004 EF3 93 km 15.8 mi 8
May 10, 2003 EF3 75 km 17.5 mi 0
May 13, 1995 EF3 66 km 25.0 mi 0
May 9, 1995 EF3 58 km 22.0 mi 0
May 9, 1995 EF3 85 km 10.0 mi 0
Mar 13, 1990 EF3 73 km 15.5 mi 0
May 8, 1988 EF3 98 km 32.0 mi 0
Jun 21, 1981 EF3 84 km 8.8 mi 1
Aug 15, 1978 EF3 54 km 6.4 mi 0
Mar 4, 1976 EF3 68 km 0.8 mi 0
Jul 23, 1975 EF3 43 km 14.0 mi 2
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

5 wildfires (100+ acres) recorded within 100 km. Largest: UNIT 3 (1,206 acres, 1999).

Year Name Acres Burned Distance
1999 UNIT 3 1,206 68 km
2002 HSB 03 2 1,130 69 km
2000 DESTRUST A 756 69 km
2006 HSB 003 674 68 km
2004 HSB 009 608 69 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 23°F (-5°C) 1.5 in Coldest
February 27°F (-3°C) 1.4 in Driest
March 39°F (4°C) 2.8 in
April 51°F (10°C) 3.8 in
May 62°F (16°C) 3.9 in
June 71°F (22°C) 4.2 in
July 74°F (23°C) 4.3 in Warmest, Wettest
August 73°F (23°C) 3.8 in
September 65°F (18°C) 3.8 in
October 53°F (12°C) 2.9 in
November 39°F (4°C) 2.7 in
December 27°F (-3°C) 2.2 in

East Galesburg has a seasonal temperature swing of 51°F / from 23°F in January to 74°F in July. Total annual precipitation is 37.3 inches, with July being the wettest month (4.3") and February the driest (1.4").

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