TODAY NOV22
TEMPERATURE39
HUMIDITY82
PRESSURE101800
WIND COND.300 16.6
  • 4534Fri
  • 4736Sat
  • 5740Sun
  • 4722Mon
  • 3826Tue
daynightWeather update from Moline Quad-City Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Annawan for August is 73.3 degrees
  • The lowest monthly average temperature in Annawan for December is 23.1 degrees
  • The most monthly precipitation in Annawan occurs in August with 9.2 inches
  • The air quality index in Annawan is equal to the national average
  • The pollution index in Annawan is 36% better than the national average

Compare Annawan, IL Weather

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      Annawan 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
      January18°F33°F25°F2.9"
      February17°F32°F24°F2.5"
      March31°F52°F39°F4.5"
      April39°F65°F50°F6.4"
      May50°F76°F62°F3.5"
      June61°F86°F73°F6.1"
      July61°F86°F73°F7.8"
      August64°F85°F73°F9.2"
      September55°F82°F67°F3.9"
      October45°F69°F56°F1.9"
      November30°F52°F40°F4.2"
      December17°F31°F23°F1.5"

      Annawan 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.
      IndexAnnawanIllinoisNational
      Air quality index424142
      Pollution index1,753,5903,148,6942,726,193

      Annawan air quality

      MeasurementTotal
      Days measured364
      Days with good air quality268
      Days with moderate air quality96
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Annawan temperature with heat index

      Annawan monthly precipitation with daily maximum

      Annawan monthly snow depth with daily maximum

      Annawan monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Buda, IL6064118.0%
      Sheffield, IL8284118.0%
      Kewanee, IL12,6224118.0%
      Neponset, IL3824118.0%
      Hooppole, IL1784216.0%
      Annawan, IL8254216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bradbury, CA8257244.0%
      Sheridan, MI8253824.0%
      New Summerfield, TX8253628.0%
      Bashaw, AB825n/a 
      Floyd Hill, CO824476.0%
      Annawan, IL8254216.0%
      Source: The Annawan, 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.