TODAY MAY14
TEMPERATURE64
HUMIDITY26
PRESSURE30.22
WIND COND.200 14.8
  • 6351Sat70%30%
  • 7156Sun60%
  • 7357Mon60%50%
  • 7460Tue30%40%
  • 7663Wed40%
daynightWeather update from Galesburg Municipal Airport at

Key findings

  • The highest monthly average temperature in Galesburg for July is 74.7 degrees
  • The lowest monthly average temperature in Galesburg for January is 24.4 degrees
  • The most monthly precipitation in Galesburg occurs in September with 8.9 inches
  • The air quality index in Galesburg is 18% better than the national average
  • The pollution index in Galesburg is 66% better than the national average

Compare Galesburg, IL Weather

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      Galesburg Average Temperature

      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"

      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 index414150
      Pollution index1,709,2303,347,2955,066,862

      Galesburg air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality285
      Days with moderate air quality78
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      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.
      Monmouth, IL9,2723236%
      Oak Run, IL5284118%
      Abingdon, IL3,1814118%
      Gilson, IL1604118%
      Victoria, IL2984118%
      Galesburg, IL31,4694118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Garfield, NJ31,456512%
      Marrero, LA31,4544510%
      Fruit Cove, FL31,4194314%
      Mundelein, IL31,5503922%
      West Fargo, ND31,5573334%
      Galesburg, IL31,4694118%
      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.