TODAY MAR08
TEMPERATURE46
HUMIDITY71
PRESSURE30.28
WIND COND.140 9.4
  • 6142Mon
  • 6654Tue
  • 6449Wed60%40%
  • 5635Thu70%30%
  • 4832Fri
daynightWeather update from Sterling Rockfalls at

Key findings

  • The highest monthly average temperature in Deer Grove for August is 73 degrees
  • The lowest monthly average temperature in Deer Grove for December is 23 degrees
  • The most monthly precipitation in Deer Grove occurs in August with 9.2 inches
  • The air quality index in Deer Grove is 16% better than the national average
  • The pollution index in Deer Grove is 59% better than the national average

Compare Deer Grove, IL Weather

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      Deer Grove 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"

      Deer Grove 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.
      IndexDeer GroveIllinoisNational
      Air quality index424150
      Pollution index2,097,7403,347,2955,066,862

      Deer Grove air quality information

      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

      Deer Grove air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.060%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.300%

      Average monthly Deer Grove temperature with heat index

      Deer Grove monthly precipitation with daily maximum

      Deer Grove monthly snow depth with daily maximum

      Deer Grove monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ohio, IL4700100%
      Manlius, IL4004216%
      Harmon, IL1514216%
      Prophetstown, IL2,0934216%
      Annawan, IL9164216%
      Deer Grove, IL394216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sierraville, CA394412%
      Lake Santeetlah, NC394412%
      Buck Meadows, CA393922%
      Farwell, MN393236%
      Rodman, IA391570%
      Deer Grove, IL394216%
      Source: The Deer Grove, 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.