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Key findings

  • The highest monthly average temperature in Morris for July is 73 degrees
  • The lowest monthly average temperature in Morris for January is 25 degrees
  • The most monthly precipitation in Morris occurs in July with 9 inches
  • The air quality index in Morris is 100% better than the national average
  • The pollution index in Morris is 66% better than the national average

Compare Morris, IL Weather

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      Morris 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°F3.9"
      February18°F35°F26°F2.3"
      March31°F50°F39°F4.3"
      April40°F63°F50°F8.4"
      May51°F74°F62°F6.0"
      June61°F82°F71°F5.7"
      July63°F84°F73°F9.0"
      August62°F82°F71°F5.4"
      September54°F77°F65°F3.7"
      October44°F65°F53°F7.1"
      November33°F51°F41°F4.0"
      December22°F37°F29°F3.0"

      Morris 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.
      IndexMorrisIllinoisNational
      Air quality index04150
      Pollution index1,736,9303,347,2955,066,862

      Morris air quality information

      MeasurementTotal
      Days measured335
      Days with good air quality334
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Morris air quality information

      PollutantTotal
      Arsenic0.004%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.001%

      Average monthly Morris temperature with heat index

      Morris monthly precipitation with daily maximum

      Morris monthly snow depth with daily maximum

      Morris monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Shorewood, IL16,5390100%
      Coal City, IL5,6870100%
      Gardner, IL1,2420100%
      Millington, IL6290100%
      Seneca, IL2,5650100%
      Morris, IL13,9300100%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Allouez, WI13,9333628%
      Buford, GA13,9273726%
      Kings Park West, VA13,925476%
      Collingswood, NJ13,925512%
      Hazel Crest, IL13,9245510%
      Morris, IL13,9300100%
      Source: The Morris, 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.