TODAY AUG16
TEMPERATURE70
HUMIDITY99
PRESSURE29.91
WIND COND.
  • 8466Thu20%40%
  • 8265Fri30%30%
  • 8465Sat
  • 8467Sun
  • 8063Mon
daynightWeather update from Galesburg Municipal Airport at

Galesburg Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January17°F34°F24°F3.4"
February18°F36°F26°F3.6"
March32°F52°F41°F3.5"
April41°F65°F52°F6.9"
May52°F74°F63°F7.1"
June62°F83°F72°F7.9"
July65°F86°F75°F8.4"
August63°F84°F73°F7.4"
September54°F78°F65°F8.9"
October44°F66°F54°F5.8"
November32°F52°F41°F4.0"
December22°F37°F29°F4.5"

Did you know?

  • The highest monthly average temperature in Galesburg for July is 75 degrees.
  • The lowest monthly average temperature in Galesburg for January is 24 degrees.
  • The most monthly precipitation in Galesburg occurs in September with 8.9 inches.
  • The air quality index in Galesburg is 3% better than the national average.
  • The pollution index in Galesburg is 66% better than the national average.

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Compare Galesburg, IL Weather To Other Cities

Galesburg air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexGalesburgIllinoisNational
Air quality index484150
Pollution index1,709,2303,347,2955,066,862

Galesburg air quality information

MeasurementTotal
Days measured365
Days with good air quality207
Days with moderate air quality132
Days w/ poor A.Q. for sensitive groups21
Days with unhealthy air quality5

Galesburg air quality information

PollutantTotal
Arsenic0.001%
Benzene0.050%
Carbon Tetrachloride0.040%
Lead0.001%
Mercury0.001%

Average monthly Galesburg temperature with heat index

Galesburg monthly precipitation with daily maximum

Galesburg monthly snow depth with daily maximum

Galesburg monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Abingdon, IL3,181484%
Gilson, IL160484%
Victoria, IL298484%
Knoxville, IL2,793484%
Oak Run, IL528484%
Galesburg, IL31,469484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Garfield, NJ31,456536%
Marrero, LA31,4544510%
Fruit Cove, FL31,4193824%
Mundelein, IL31,5503530%
West Fargo, ND31,5573530%
Galesburg, IL31,469484%
Source: The Galesburg, IL weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.