TODAY MAY06
TEMPERATURE52
HUMIDITY72
PRESSURE30.07
WIND COND.170 9.4
  • 6138Fri
  • 6143Sat50%
  • 5439Sun70%
  • 5939Mon
  • 6341Tue
daynightWeather update from Illinois Valley Regional Airport at

Key findings

  • The highest monthly average temperature in Leonore for July is 75.2 degrees
  • The lowest monthly average temperature in Leonore for January is 25.7 degrees
  • The most monthly precipitation in Leonore occurs in August with 8.2 inches
  • The air quality index in Leonore is 100% better than the national average
  • The pollution index in Leonore is 53% worse than the national average

Compare Leonore, IL Weather

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      Leonore 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
      January18°F34°F26°F3.3"
      February19°F35°F26°F3.0"
      March32°F51°F40°F4.3"
      April42°F64°F52°F7.2"
      May53°F75°F63°F8.0"
      June62°F83°F72°F7.5"
      July66°F85°F75°F7.1"
      August64°F83°F73°F8.2"
      September56°F78°F66°F6.3"
      October45°F65°F54°F6.6"
      November34°F51°F42°F4.3"
      December23°F37°F30°F3.5"

      Leonore 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.
      IndexLeonoreIllinoisNational
      Air quality index04150
      Pollution index7,745,2003,347,2955,066,862

      Leonore air quality information

      MeasurementTotal
      Days measured335
      Days with good air quality334
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Leonore air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.860%
      Mercury0.210%

      Average monthly Leonore temperature with heat index

      Leonore monthly precipitation with daily maximum

      Leonore monthly snow depth with daily maximum

      Leonore monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Streator, IL13,1630100%
      Rutland, IL2340100%
      Mark, IL5300100%
      Ladd, IL1,1780100%
      Peru, IL9,9130100%
      Leonore, IL900100%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Ali Chukson, AZ90476%
      Sharon, OK901570%
      Mansfield, SD902060%
      Mackey, IN904510%
      Big Lake, MO904314%
      Leonore, IL900100%
      Source: The Leonore, 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.