TODAY MAY13
TEMPERATURE43
HUMIDITY82
PRESSURE30.33
WIND COND.
  • 6844Thu
  • 7050Fri
  • 7358Sat40%
  • 7661Sun
  • 7763Mon
daynightWeather update from Paducah, Barkley Regional Airport at

Key findings

  • The highest monthly average temperature in Cairo for July is 79.4 degrees
  • The lowest monthly average temperature in Cairo for January is 36.5 degrees
  • The most monthly precipitation in Cairo occurs in November with 8.5 inches
  • The air quality index in Cairo is 12% better than the national average
  • The pollution index in Cairo is 69% better than the national average

Compare Cairo, IL Weather

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      Cairo 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
      January29°F46°F37°F4.5"
      February31°F49°F39°F3.7"
      March41°F61°F50°F7.8"
      April51°F72°F61°F7.9"
      May60°F80°F69°F6.9"
      June69°F90°F79°F6.4"
      July70°F90°F79°F5.7"
      August68°F89°F77°F4.3"
      September60°F83°F70°F2.8"
      October49°F73°F60°F4.4"
      November39°F60°F49°F8.5"
      December33°F49°F40°F8.2"

      Cairo 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.
      IndexCairoIllinoisNational
      Air quality index444150
      Pollution index1,566,3403,347,2955,066,862

      Cairo air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality261
      Days with moderate air quality103
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Cairo air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Cairo temperature with heat index

      Cairo monthly precipitation with daily maximum

      Cairo monthly snow depth with daily maximum

      Cairo monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Olive Branch, IL6174412%
      Olmsted, IL4354412%
      Barlow, KY6754412%
      Anniston, MO1664412%
      Wilson City, MO684412%
      Cairo, IL2,5594412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Horace, ND2,5593334%
      Green Acres, CA2,5608978%
      Overton, TX2,5603628%
      Camden, AL2,560524%
      Luxemburg, WI2,5603628%
      Cairo, IL2,5594412%
      Source: The Cairo, 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.