TODAY NOV02
TEMPERATURE68
HUMIDITY37
PRESSURE102404.39
WIND COND.110 18.5
  • 7765Sun30%60%
  • 7762Mon50%50%
  • 7249Tue90%30%
  • 6847Wed20%
  • 6646Thu20%20%
daynightWeather update from Perryville Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Kaskaskia for July is 78 degrees
  • The lowest monthly average temperature in Kaskaskia for January is 32.9 degrees
  • The most monthly precipitation in Kaskaskia occurs in August with 10.7 inches
  • The air quality index in Kaskaskia is 28% worse than the national average
  • The pollution index in Kaskaskia is 72% better than the national average

Compare Kaskaskia, IL Weather

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      Kaskaskia 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
      January25°F42°F33°F4.6"
      February27°F45°F35°F2.4"
      March39°F58°F48°F3.7"
      April48°F69°F58°F6.6"
      May57°F77°F66°F10.0"
      June66°F86°F76°F8.8"
      July69°F88°F78°F6.8"
      August67°F87°F76°F10.7"
      September59°F81°F69°F7.4"
      October48°F70°F58°F9.0"
      November38°F57°F47°F6.5"
      December30°F45°F37°F7.7"

      Kaskaskia 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.
      IndexKaskaskiaIllinoisNational
      Air quality index544142
      Pollution index753,4733,148,6942,726,193

      Kaskaskia 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
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.020%
      Mercury0.020%

      Average monthly Kaskaskia temperature with heat index

      Kaskaskia monthly precipitation with daily maximum

      Kaskaskia monthly snow depth with daily maximum

      Kaskaskia monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Steeleville, IL1,8704314.0%
      Rockwood, IL254314.0%
      Ste. Genevieve, MO4,396548.0%
      Evansville, IL760548.0%
      Perryville, MO8,500548.0%
      Kaskaskia, IL29548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Larsen Bay, AK293138.0%
      Birdsong, AR294510.0%
      Norristown, GA29476.0%
      St. Anthony, IA293726.0%
      Valley City, IL294118.0%
      Kaskaskia, IL29548.0%
      Source: The Kaskaskia, 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.