TODAY MAY12
TEMPERATURE36
HUMIDITY85
PRESSURE30.4
WIND COND.30 5.4
  • 6238Wed
  • 6744Thu
  • 6750Fri
  • 6754Sat
  • 7259Sun30%
daynightWeather update from Springfield - Abraham Lincoln Capital Airport at

Key findings

  • The highest monthly average temperature in Leland Grove for July is 76.6 degrees
  • The lowest monthly average temperature in Leland Grove for January is 28.5 degrees
  • The most monthly precipitation in Leland Grove occurs in June with 5.5 inches
  • The air quality index in Leland Grove is 20% better than the national average
  • The pollution index in Leland Grove is 1% worse than the national average

Compare Leland Grove, IL Weather

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      Leland Grove 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
      January20°F38°F29°F2.1"
      February22°F41°F31°F1.9"
      March34°F56°F44°F2.9"
      April44°F68°F56°F4.3"
      May54°F77°F65°F4.5"
      June64°F86°F74°F5.5"
      July66°F88°F77°F4.3"
      August64°F86°F75°F3.2"
      September57°F81°F68°F3.7"
      October46°F69°F56°F3.7"
      November36°F55°F45°F2.5"
      December26°F41°F33°F2.8"

      Leland Grove 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.
      IndexLeland GroveIllinoisNational
      Air quality index404150
      Pollution index5,136,0803,347,2955,066,862

      Leland Grove air quality information

      MeasurementTotal
      Days measured360
      Days with good air quality287
      Days with moderate air quality73
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Leland Grove air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.090%
      Carbon Tetrachloride0.010%
      Lead0.390%
      Mercury0.020%

      Average monthly Leland Grove temperature with heat index

      Leland Grove monthly precipitation with daily maximum

      Leland Grove monthly snow depth with daily maximum

      Leland Grove monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Chatham, IL12,5694020%
      Grandview, IL1,3884020%
      Loami, IL9664020%
      Rochester, IL3,6874020%
      Auburn, IL5,0064020%
      Leland Grove, IL1,6254020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Unionville, GA1,6252648%
      Herlong, CA1,626468%
      Ash Grove, MO1,6263922%
      Quail Creek, TX1,6243138%
      Seymour CDP, WI1,6263726%
      Leland Grove, IL1,6254020%
      Source: The Leland Grove, 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.