TODAY APR19
TEMPERATURE37
HUMIDITY70
PRESSURE101900
WIND COND.310 11.2
  • 5433Fri
  • 4929Sat
  • 5835Sun
  • 6249Mon
  • 6232Tue
daynightWeather update from Janesville-Rock County at
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Weather Quick Facts

  • The highest monthly average temperature in Chemung for July is 70.3 degrees
  • The lowest monthly average temperature in Chemung for January is 21.9 degrees
  • The most monthly precipitation in Chemung occurs in July with 11.4 inches
  • The air quality index in Chemung is equal to the national average
  • The pollution index in Chemung is 94% better than the national average

Compare Chemung, IL Weather

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      Chemung 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
      January14°F30°F22°F2.3"
      February14°F31°F23°F2.8"
      March26°F45°F35°F3.7"
      April36°F58°F46°F5.9"
      May46°F71°F58°F4.8"
      June56°F79°F67°F7.8"
      July59°F82°F70°F11.4"
      August57°F81°F68°F5.4"
      September50°F74°F61°F7.1"
      October40°F61°F50°F5.8"
      November29°F48°F38°F5.2"
      December19°F34°F27°F3.3"

      Chemung 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.
      IndexChemungIllinoisNational
      Air quality index424142
      Pollution index151,0963,148,6942,726,193

      Chemung air quality information

      MeasurementTotal
      Days measured341
      Days with good air quality240
      Days with moderate air quality100
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Chemung air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.000%

      Average monthly Chemung temperature with heat index

      Chemung monthly precipitation with daily maximum

      Chemung monthly snow depth with daily maximum

      Chemung monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Williams Bay, WI2,6073726.0%
      Delavan, WI8,2963726.0%
      Walworth, WI2,8353726.0%
      Greenwood, IL3523726.0%
      Bloomfield, WI4,7253726.0%
      Chemung, IL7384216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Briny Breezes, FL7384118.0%
      Vermont, IL7384118.0%
      Doyline, LA7383922.0%
      Wabasso, MN7383236.0%
      Glen Park, NY7383530.0%
      Chemung, IL7384216.0%
      Source: The Chemung, 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.