TODAY NOV22
TEMPERATURE36
HUMIDITY89
PRESSURE101520
WIND COND.300 27.7
  • 4531Fri
  • 4735Sat
  • 5539Sun
  • 4622Mon
  • 3724Tue
daynightWeather update from Galesburg Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Galva for July is 74.7 degrees
  • The lowest monthly average temperature in Galva for January is 24.4 degrees
  • The most monthly precipitation in Galva occurs in September with 8.9 inches
  • The air quality index in Galva is 3% better than the national average
  • The pollution index in Galva is 88% better than the national average

Compare Galva, IL Weather

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      Galva 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"

      Galva 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.
      IndexGalvaIllinoisNational
      Air quality index414142
      Pollution index339,1563,148,6942,726,193

      Galva air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.020%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Galva temperature with heat index

      Galva monthly precipitation with daily maximum

      Galva monthly snow depth with daily maximum

      Galva monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Neponset, IL3824118.0%
      Victoria, IL2244118.0%
      La Fayette, IL1554118.0%
      Wataga, IL7784118.0%
      Wyoming, IL1,3954118.0%
      Galva, IL2,5394118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      McLeansboro, IL2,5394314.0%
      Madelia, MN2,5393236.0%
      Sisseton, SD2,5392550.0%
      Colby, WI2,5393432.0%
      Clinton, AR2,5383628.0%
      Galva, IL2,5394118.0%
      Source: The Galva, 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.