TODAY APR16
TEMPERATURE79
HUMIDITY45
PRESSURE100440.29
WIND COND.170 40.8
  • 7551Wed
  • 7545Thu20%70%
  • 5940Fri
  • 5537Sat
  • 5838Sun
daynightWeather update from St. Louis Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in East Gillespie for July is 75.9 degrees
  • The lowest monthly average temperature in East Gillespie for January is 29.4 degrees
  • The most monthly precipitation in East Gillespie occurs in April with 9.3 inches
  • The air quality index in East Gillespie is 28% worse than the national average
  • The pollution index in East Gillespie is 58% better than the national average

Compare East Gillespie, IL Weather

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      East Gillespie 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°F38°F29°F3.3"
      February24°F40°F31°F3.5"
      March36°F55°F44°F3.9"
      April45°F67°F55°F9.3"
      May55°F75°F64°F5.6"
      June64°F84°F73°F7.9"
      July66°F86°F76°F5.0"
      August65°F86°F74°F5.1"
      September57°F80°F67°F6.0"
      October46°F68°F56°F5.6"
      November36°F54°F44°F3.6"
      December28°F42°F34°F3.6"

      East Gillespie 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.
      IndexEast GillespieIllinoisNational
      Air quality index544142
      Pollution index1,150,6703,148,6942,726,193

      East Gillespie 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

      East Gillespie air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly East Gillespie temperature with heat index

      East Gillespie monthly precipitation with daily maximum

      East Gillespie monthly snow depth with daily maximum

      East Gillespie monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Chesterfield, IL2084020.0%
      Litchfield, IL6,6264020.0%
      Raymond, IL9554020.0%
      Carlinville, IL5,6454020.0%
      Standard City, IL2194020.0%
      East Gillespie, IL240548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hickory Ridge, AR2404510.0%
      Ardentown, DE240512.0%
      Kingston Mines, IL2404118.0%
      Ingalls, KS2401570.0%
      Jugtown, MD2404020.0%
      East Gillespie, IL240548.0%
      Source: The East Gillespie, 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.