TODAY FEB26
TEMPERATURE
HUMIDITY81
PRESSURE30.2
WIND COND.50 9.4
  • 5137Fri30%
  • 6046Sat40%
  • 5729Sun
  • 5029Mon
  • 5035Tue20%
daynightWeather update from St. Louis Downtown Airport at

Key findings

  • The highest monthly average temperature in Shiloh for July is 78 degrees
  • The lowest monthly average temperature in Shiloh for January is 32 degrees
  • The most monthly precipitation in Shiloh occurs in April with 10.2 inches
  • The air quality index in Shiloh is 9% worse than the national average
  • The pollution index in Shiloh is 20% worse than the national average

Compare Shiloh, IL Weather

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      Shiloh 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
      January23°F42°F32°F5.6"
      February25°F45°F34°F3.8"
      March37°F59°F47°F7.1"
      April47°F70°F57°F10.2"
      May56°F77°F66°F8.9"
      June65°F87°F76°F9.2"
      July68°F89°F78°F8.0"
      August66°F88°F76°F7.8"
      September58°F82°F69°F8.4"
      October47°F70°F57°F8.6"
      November36°F57°F46°F6.9"
      December28°F45°F36°F8.2"

      Shiloh 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.
      IndexShilohIllinoisNational
      Air quality index544150
      Pollution index6,055,6403,347,2955,066,862

      Shiloh air quality information

      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

      Shiloh air quality information

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

      Average monthly Shiloh temperature with heat index

      Shiloh monthly precipitation with daily maximum

      Shiloh monthly snow depth with daily maximum

      Shiloh monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Glen Carbon, IL12,782548%
      St. Jacob, IL1,354548%
      Fairmont City, IL2,349548%
      Mascoutah, IL7,917548%
      Cahokia, IL14,574548%
      Shiloh, IL13,050548%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Lindsay, CA13,0526632%
      Riverdale, IL13,0475510%
      Oakland, NJ13,041512%
      Stoughton, WI13,0413922%
      Hampton Bays, NY13,0404118%
      Shiloh, IL13,050548%
      Source: The Shiloh, 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.