TODAY MAY14
TEMPERATURE66
HUMIDITY27
PRESSURE30.31
WIND COND.190 16.6
  • 6452Sat60%40%
  • 7156Sun50%
  • 7457Mon50%30%
  • 7659Tue30%
  • 7762Wed30%40%
daynightWeather update from Moline, Quad-City Airport at

Key findings

  • The highest monthly average temperature in Andover for July is 75.6 degrees
  • The lowest monthly average temperature in Andover for January is 24 degrees
  • The most monthly precipitation in Andover occurs in June with 6 inches
  • The air quality index in Andover is 8% better than the national average
  • The pollution index in Andover is 65% better than the national average

Compare Andover, IL Weather

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      Andover 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
      January15°F34°F24°F1.5"
      February16°F37°F26°F1.9"
      March29°F53°F40°F2.8"
      April39°F66°F52°F3.9"
      May49°F76°F63°F4.3"
      June60°F85°F73°F6.0"
      July64°F88°F76°F5.3"
      August62°F86°F73°F4.9"
      September54°F81°F66°F3.4"
      October42°F68°F54°F3.2"
      November31°F54°F42°F2.1"
      December19°F37°F28°F2.6"

      Andover 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.
      IndexAndoverIllinoisNational
      Air quality index464150
      Pollution index1,753,5903,347,2955,066,862

      Andover air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality217
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Andover air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.001%

      Average monthly Andover temperature with heat index

      Andover monthly precipitation with daily maximum

      Andover monthly snow depth with daily maximum

      Andover monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Galva, IL2,5254118%
      Atkinson, IL1,0354216%
      Cleveland, IL178468%
      Rock Island, IL38,647468%
      Coal Valley, IL3,825468%
      Andover, IL583468%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Carlock, IL5834412%
      Cleone, CA5833334%
      Alta Vista, KS5833236%
      Oxford, MD5834118%
      Mendon, OH5833922%
      Andover, IL583468%
      Source: The Andover, 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.