TODAY JUN22
TEMPERATURE63
HUMIDITY94
PRESSURE29.82
WIND COND.40 8.1
  • 6656Fri50%20%
  • 7458Sat
  • 7857Sun20%
  • 7661Mon
  • 7866Tue30%50%
daynightWeather update from Janesville-Rock County at

Lake Koshkonong Average Weather

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
January-20°F61°F23°Fn/a
February-17°F59°F24°Fn/a
March7°F77°F36°F0.2"
April19°F82°F49°F0.1"
May30°F91°F58°F0.2"
June41°F93°F69°F0.1"
July46°F97°F71°F0.0"
August45°F93°F71°F0.4"
September34°F95°F64°F0.0"
October23°F90°F51°F0.3"
November12°F77°F40°F0.1"
December-8°F55°F24°F0.1"

Did you know?

  • The highest monthly average temperature in Lake Koshkonong for August is 71 degrees.
  • The lowest monthly average temperature in Lake Koshkonong for January is 23 degrees.
  • The most monthly precipitation in Lake Koshkonong occurs in August with 0.4 inches.
  • The air quality index in Lake Koshkonong is 27% better than the national average.
  • The pollution index in Lake Koshkonong is 77% better than the national average.

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Compare Lake Koshkonong, WI Weather To Other Cities

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 index366950
Pollution index1,129,4403,316,8775,066,862

Lake Koshkonong air quality information

MeasurementTotal
Days measured196
Days with good air quality181
Days with moderate air quality15
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

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

City, StatePopulationAir Quality IndexNational Avg.
Hebron, WI1523628%
Lake Lorraine, WI2903628%
Rockdale, WI2263628%
Rome, WI7353628%
Lake Ripley, WI1,7553628%
Lake Koshkonong, WI1,2333628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Dallas City, IL1,2334020%
Glasford, IL1,234484%
Highland Park, PA1,2323922%
Saranac, MI1,2323922%
Williamsburg, PA1,2344510%
Lake Koshkonong, WI1,2333628%
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.