TODAY MAY18
TEMPERATURE65
HUMIDITY100
PRESSURE30.04
WIND COND.140 22.3
  • 7965Wed30%40%
  • 8266Thu30%20%
  • 8466Fri20%
  • 8667Sat
  • 8768Sun
daynightWeather update from Pittsfield, Pittsfield Penstone Municipal Airport at

Key findings

  • The highest monthly average temperature in Detroit for July is 76.4 degrees
  • The lowest monthly average temperature in Detroit for January is 28.9 degrees
  • The most monthly precipitation in Detroit occurs in June with 10.4 inches
  • The air quality index in Detroit is 18% better than the national average
  • The pollution index in Detroit is 51% better than the national average

Compare Detroit, IL Weather

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      Detroit 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
      January21°F39°F29°F3.5"
      February23°F41°F31°F3.2"
      March36°F56°F44°F3.6"
      April46°F68°F56°F7.4"
      May56°F76°F65°F7.6"
      June64°F84°F74°F10.4"
      July67°F87°F76°F8.6"
      August65°F87°F75°F6.1"
      September58°F81°F68°F8.5"
      October46°F68°F56°F5.6"
      November36°F55°F45°F5.5"
      December27°F42°F33°F6.1"

      Detroit 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.
      IndexDetroitIllinoisNational
      Air quality index414150
      Pollution index2,458,1803,347,2955,066,862

      Detroit air quality information

      MeasurementTotal
      Days measured241
      Days with good air quality208
      Days with moderate air quality33
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Detroit air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.020%
      Carbon Tetrachloride0.001%
      Lead0.120%
      Mercury0.330%

      Average monthly Detroit temperature with heat index

      Detroit monthly precipitation with daily maximum

      Detroit monthly snow depth with daily maximum

      Detroit monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Hillview, IL1454020%
      White Hall, IL2,5264020%
      Exeter, IL1054020%
      Alsey, IL1844020%
      Glasgow, IL1744020%
      Detroit, IL1094118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Blanco, OK1094314%
      Stockholm, SD1092550%
      Lorraine, NY1093530%
      Pine Apple, AL109524%
      La Cueva, NM1094412%
      Detroit, IL1094118%
      Source: The Detroit, 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.