TODAY DEC23
TEMPERATURE32
HUMIDITY71
PRESSURE102740
WIND COND.120 16.6
  • 4234Mon20%
  • 4438Tue70%
  • 454260%30%
  • 5247Thu30%
  • 5549Fri60%
daynightWeather update from Effingham, Effingham County Memorial Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Effingham for August is 75.9 degrees
  • The lowest monthly average temperature in Effingham for January is 29.5 degrees
  • The most monthly precipitation in Effingham occurs in November with 11.8 inches
  • The air quality index in Effingham is 5% better than the national average
  • The pollution index in Effingham is 65% better than the national average

Compare Effingham, IL Weather

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      Effingham 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
      January22°F38°F30°F1.7"
      February25°F40°F32°F2.3"
      March36°F54°F44°F1.1"
      April46°F67°F55°F4.3"
      May55°F76°F64°F0.0"
      June66°F86°F75°F3.0"
      July66°F86°F75°F7.9"
      August66°F87°F76°F4.8"
      September59°F81°F69°F8.6"
      October47°F69°F57°F1.4"
      November36°F56°F46°F11.8"
      December25°F38°F31°F7.1"

      Effingham 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.
      IndexEffinghamIllinoisNational
      Air quality index404142
      Pollution index959,6733,148,6942,726,193

      Effingham air quality

      MeasurementTotal
      Days measured245
      Days with good air quality224
      Days with moderate air quality21
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.002%

      Average monthly Effingham temperature with heat index

      Effingham monthly precipitation with daily maximum

      Effingham monthly snow depth with daily maximum

      Effingham monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Edgewood, IL4704020.0%
      Beecher City, IL3734020.0%
      Teutopolis, IL1,8074020.0%
      Stewardson, IL7104020.0%
      Mason, IL2434020.0%
      Effingham, IL12,3104020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ottawa, KS12,3084118.0%
      Gladstone, OR12,3163824.0%
      Cambridge, MD12,3004118.0%
      Saddlebrooke, AZ12,327476.0%
      Speedway, IN12,327548.0%
      Effingham, IL12,3104020.0%
      Source: The Effingham, 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.