TODAY MAY30
TEMPERATURE67
HUMIDITY52
PRESSURE30.19
WIND COND.330 6.9
  • 6651Sun
  • 7464Mon20%30%
  • 8968Tue
  • 8663Wed
  • 7162Thu
daynightWeather update from Chicago / Wheeling, Pal-Waukee Airport at
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Deerfield 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°F1.1"
February19°F34°F26°F1.4"
March30°F48°F38°F1.8"
April39°F60°F49°F2.7"
May49°F71°F60°F3.6"
June60°F81°F69°F4.7"
July65°F85°F74°F4.0"
August64°F83°F73°F4.4"
September56°F76°F66°F2.7"
October45°F64°F54°F3.2"
November34°F50°F42°F1.7"
December23°F37°F30°F2.0"

Did you know?

  • The highest monthly average temperature in Deerfield for July is 74 degrees.
  • The lowest monthly average temperature in Deerfield for January is 25 degrees.
  • The most monthly precipitation in Deerfield occurs in June with 4.7 inches.
  • The air quality index in Deerfield is 21% worse than the national average.
  • The pollution index in Deerfield is 25% better than the national average.

Compare Deerfield, IL Weather To Other Cities

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      Deerfield 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.
      IndexDeerfieldIllinoisNational
      Air quality index604150
      Pollution index3,795,4103,347,2955,066,862

      Deerfield air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality72
      Days with moderate air quality281
      Days w/ poor A.Q. for sensitive groups11
      Days with unhealthy air quality1

      Deerfield air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.003%
      Mercury0.310%

      Average monthly Deerfield temperature with heat index

      Deerfield monthly precipitation with daily maximum

      Deerfield monthly snow depth with daily maximum

      Deerfield monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Gages Lake, IL10,0413530%
      Grayslake, IL21,0533530%
      Green Oaks, IL3,8323530%
      Round Lake, IL18,4253530%
      Wauconda, IL13,5493530%
      Deerfield, IL18,6866020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Augusta, ME18,6912942%
      Forest Park, OH18,679548%
      Morristown, NJ18,677536%
      Fairmont, WV18,699365630%
      South Burlington, VT18,7043628%
      Deerfield, IL18,6866020%
      Source: The Deerfield, 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.