TODAY MAR29
TEMPERATURE43
HUMIDITY
PRESSURE101690
WIND COND.280 9.4
  • 5537Fri90%
  • 5534Sat20%
  • 4937Sun70%
  • 4935Mon70%80%
  • 4831Tue40%30%
daynightWeather update from Janesville-Rock County at
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Weather Quick Facts

  • The highest monthly average temperature in Lake Koshkonong for July is 71.6 degrees
  • The lowest monthly average temperature in Lake Koshkonong for January is 20.6 degrees
  • The most monthly precipitation in Lake Koshkonong occurs in June with 7.3 inches
  • The air quality index in Lake Koshkonong is 12% better than the national average
  • The pollution index in Lake Koshkonong is 59% better than the national average

Compare Lake Koshkonong, WI Weather

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      Lake Koshkonong 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
      January13°F28°F21°F3.6"
      February14°F30°F22°F1.7"
      March26°F45°F35°F3.4"
      April37°F59°F47°F6.3"
      May47°F71°F59°F5.1"
      June57°F79°F68°F7.3"
      July61°F83°F72°F3.8"
      August59°F81°F70°F5.7"
      September51°F74°F62°F4.6"
      October41°F61°F50°F6.5"
      November30°F47°F38°F4.2"
      December18°F33°F25°F3.3"

      Lake Koshkonong 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.
      IndexLake KoshkonongWisconsinNational
      Air quality index376942
      Pollution index1,129,4402,842,4182,726,193

      Lake Koshkonong air quality information

      MeasurementTotal
      Days measured205
      Days with good air quality189
      Days with moderate air quality15
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Lake Koshkonong air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.020%

      Average monthly Lake Koshkonong temperature with heat index

      Lake Koshkonong monthly precipitation with daily maximum

      Lake Koshkonong monthly snow depth with daily maximum

      Lake Koshkonong monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Fort Atkinson, WI12,4553726.0%
      Lake Ripley, WI1,9273726.0%
      Helenville, WI2453726.0%
      Cambridge, WI1,2603726.0%
      Lake Lorraine, WI2593726.0%
      Lake Koshkonong, WI9583726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hackett, AR9583628.0%
      Chumuckla, FL9584118.0%
      Van Horne, IA9583922.0%
      Bellefonte, KY9584216.0%
      Farmersville, PA9584510.0%
      Lake Koshkonong, WI9583726.0%
      Source: The Lake Koshkonong, WI 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.