TODAY NOV02
TEMPERATURE54
HUMIDITY47
PRESSURE102850
WIND COND.180 14.8
  • 5655Sun50%80%
  • 6855Mon100%90%
  • 6441Tue100%30%
  • 5736Wed
  • 5635Thu
daynightWeather update from Janesville-Rock County at
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Weather Quick Facts

  • The highest monthly average temperature in Hanover for July is 72.3 degrees
  • The lowest monthly average temperature in Hanover for January is 20.9 degrees
  • The most monthly precipitation in Hanover occurs in June with 9.5 inches
  • The air quality index in Hanover is 10% better than the national average
  • The pollution index in Hanover is 59% better than the national average

Compare Hanover, WI Weather

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      Hanover 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°F28°F21°F1.7"
      February16°F30°F23°F2.3"
      March29°F46°F36°F2.7"
      April39°F59°F48°F4.4"
      May50°F71°F60°F4.6"
      June60°F79°F69°F9.5"
      July64°F82°F72°F7.7"
      August62°F80°F71°F6.1"
      September54°F74°F63°F4.2"
      October43°F61°F51°F4.4"
      November32°F47°F38°F3.3"
      December20°F32°F26°F1.1"

      Hanover 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.
      IndexHanoverWisconsinNational
      Air quality index386942
      Pollution index1,129,4402,842,4182,726,193

      Hanover air quality

      MeasurementTotal
      Days measured203
      Days with good air quality185
      Days with moderate air quality18
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Hanover temperature with heat index

      Hanover monthly precipitation with daily maximum

      Hanover monthly snow depth with daily maximum

      Hanover monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Orfordville, WI1,4503824.0%
      Milton, WI5,5943824.0%
      South Beloit, IL7,7303824.0%
      Beloit, WI36,8043824.0%
      Brodhead, WI3,2113824.0%
      Hanover, WI1193824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hunter, AR1194510.0%
      Seibert, CO1194510.0%
      Lloyd, FL1194020.0%
      Allentown, GA1193824.0%
      Woodburn, IA1193922.0%
      Hanover, WI1193824.0%
      Source: The Hanover, 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.