TODAY AUG14
TEMPERATURE71
HUMIDITY87
PRESSURE30.01
WIND COND.130 5.4
  • 8365Fri
  • 8565Sat
  • 8160Sun
  • 8057Mon
  • 7755Tue
daynightWeather update from Mattoon / Charleston, Coles County Memorial Airport at

Key findings

  • The highest monthly average temperature in Jewett for August is 76 degrees
  • The lowest monthly average temperature in Jewett for January is 30 degrees
  • The most monthly precipitation in Jewett occurs in November with 11.8 inches
  • The air quality index in Jewett is 20% better than the national average
  • The pollution index in Jewett is 88% better than the national average

Compare Jewett, IL Weather

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      Jewett 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"

      Jewett 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.
      IndexJewettIllinoisNational
      Air quality index404150
      Pollution index583,0293,347,2955,066,862

      Jewett air quality information

      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

      Jewett air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.001%

      Average monthly Jewett temperature with heat index

      Jewett monthly precipitation with daily maximum

      Jewett monthly snow depth with daily maximum

      Jewett monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Casey, IL2,5614020%
      Lerna, IL2724020%
      Sigel, IL3494020%
      Willow Hill, IL2614020%
      Dieterich, IL7144020%
      Jewett, IL2264020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Altona, IN2264510%
      McCook, IL2265510%
      Houstonia, MO2263824%
      Pavillion, WY2264510%
      Rockdale, WI2263726%
      Jewett, IL2264020%
      Source: The Jewett, 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.