TODAY NOV22
TEMPERATURE42
HUMIDITY70
PRESSURE101900
WIND COND.310 16.6
  • 4732Fri
  • 5238Sat
  • 6350Sun20%
  • 5828Mon40%
  • 4331Tue20%
daynightWeather update from St. Louis Downtown Airport at
New Real Estate Listings in Summerfield Area
Search Homes for Sale in Summerfield, IL

Weather Quick Facts

  • The highest monthly average temperature in Summerfield for August is 80 degrees
  • The lowest monthly average temperature in Summerfield for December is 33.3 degrees
  • The most monthly precipitation in Summerfield occurs in September with 16.1 inches
  • The air quality index in Summerfield is 28% worse than the national average
  • The pollution index in Summerfield is 122% worse than the national average

Compare Summerfield, IL Weather

      vs
      How would you rate the weather in Summerfield?
      Write a review to give others more information about this area.
      How would you rate the air quality in Summerfield?
      Write a review to give others more information about this area.
      See all Summerfield poll results

      Summerfield 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
      January28°F43°F34°F9.8"
      February26°F45°F34°F4.7"
      March38°F60°F48°F2.9"
      April45°F68°F56°F5.6"
      May56°F79°F67°F3.7"
      June65°F88°F76°F7.6"
      July67°F88°F77°F12.3"
      August70°F93°F80°F7.2"
      September61°F85°F72°F16.1"
      October49°F72°F59°F7.5"
      November38°F59°F47°F11.9"
      December27°F42°F33°F2.9"

      Summerfield 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.
      IndexSummerfieldIllinoisNational
      Air quality index544142
      Pollution index6,055,6403,148,6942,726,193

      Summerfield air quality

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.040%
      Lead0.100%
      Mercury0.230%

      Average monthly Summerfield temperature with heat index

      Summerfield monthly precipitation with daily maximum

      Summerfield monthly snow depth with daily maximum

      Summerfield monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Okawville, IL1,4694314.0%
      Germantown, IL1,2794314.0%
      Breese, IL4,1604314.0%
      Addieville, IL3864314.0%
      Edwardsville, IL25,332548.0%
      Summerfield, IL324548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Shaktoolik, AK3243824.0%
      Etowah, AR3244510.0%
      Grangeville, CA3245612.0%
      Las Flores CDP (Tehama County), CA3248978.0%
      Stonefort, IL3244412.0%
      Summerfield, IL324548.0%
      Source: The Summerfield, 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.