TODAY MAR01
TEMPERATURE29
HUMIDITY75
PRESSURE30.07
WIND COND.290 13
  • 3215Mon
  • 4531Tue
  • 4428Wed
  • 4126Thu
  • 4326Fri
daynightWeather update from Chicago / Wheeling, Pal-Waukee Airport at

Key findings

  • The highest monthly average temperature in Long Grove for July is 74 degrees
  • The lowest monthly average temperature in Long Grove for January is 25 degrees
  • The most monthly precipitation in Long Grove occurs in June with 4.7 inches
  • The air quality index in Long Grove is 11% worse than the national average
  • The pollution index in Long Grove is 89% better than the national average

Compare Long Grove, IL Weather

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      Long 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
      January18°F33°F25°F1.1"
      February19°F34°F26°F1.4"
      March30°F48°F38°F1.8"
      April39°F60°F49°F2.7"
      May49°F71°F60°F3.6"
      June60°F81°F69°F4.7"
      July65°F85°F74°F4.0"
      August64°F83°F73°F4.4"
      September56°F76°F66°F2.7"
      October45°F64°F54°F3.2"
      November34°F50°F42°F1.7"
      December23°F37°F30°F2.0"

      Long 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.
      IndexLong GroveIllinoisNational
      Air quality index554150
      Pollution index543,5163,347,2955,066,862

      Long Grove air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality121
      Days with moderate air quality227
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality1

      Long Grove air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Long Grove temperature with heat index

      Long Grove monthly precipitation with daily maximum

      Long Grove monthly snow depth with daily maximum

      Long Grove monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Mundelein, IL31,5503922%
      Venetian Village, IL2,6233922%
      Johnsburg, IL6,2853922%
      Pistakee Highlands, IL3,2633922%
      Round Lake Heights, IL3,1103922%
      Long Grove, IL8,0655510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Park City, UT8,064512%
      Yelm, WA8,0663040%
      Hooper, UT8,0624510%
      Whitehouse, TX8,0693628%
      Bellevue, OH8,0594020%
      Long Grove, IL8,0655510%
      Source: The Long 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.