TODAY OCT08
TEMPERATURE42
HUMIDITY92
PRESSURE101970
WIND COND.250 5.4
  • 7345Tue
  • 8048Wed
  • 7949Thu
  • 8356Fri
  • 8158Sat
daynightWeather update from Springfield - Abraham Lincoln Capital Airport at
New Real Estate Listings in Williamsville Area
Search Homes for Sale in Williamsville, IL

Weather Quick Facts

  • The highest monthly average temperature in Williamsville for July is 76.6 degrees
  • The lowest monthly average temperature in Williamsville for January is 28.5 degrees
  • The most monthly precipitation in Williamsville occurs in June with 5.5 inches
  • The air quality index in Williamsville is 5% better than the national average
  • The pollution index in Williamsville is 53% better than the national average

Compare Williamsville, IL Weather

      vs
      How would you rate the weather in Williamsville?
      Write a review to give others more information about this area.
      How would you rate the air quality in Williamsville?
      Write a review to give others more information about this area.
      See all Williamsville poll results

      Williamsville 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
      January20°F38°F29°F2.1"
      February22°F41°F31°F1.9"
      March34°F56°F44°F2.9"
      April44°F68°F56°F4.3"
      May54°F77°F65°F4.5"
      June64°F86°F74°F5.5"
      July66°F88°F77°F4.3"
      August64°F86°F75°F3.2"
      September57°F81°F68°F3.7"
      October46°F69°F56°F3.7"
      November36°F55°F45°F2.5"
      December26°F41°F33°F2.8"

      Williamsville 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.
      IndexWilliamsvilleIllinoisNational
      Air quality index404142
      Pollution index1,277,8903,148,6942,726,193

      Williamsville air quality

      MeasurementTotal
      Days measured360
      Days with good air quality287
      Days with moderate air quality73
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.002%

      Average monthly Williamsville temperature with heat index

      Williamsville monthly precipitation with daily maximum

      Williamsville monthly snow depth with daily maximum

      Williamsville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Springfield, IL115,0754020.0%
      Cantrall, IL1044020.0%
      Jerome, IL1,9734020.0%
      Southern View, IL1,6054020.0%
      Buffalo, IL3454020.0%
      Williamsville, IL1,4684020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bunker Hill, IL1,468548.0%
      Clarkson, KY1,4683922.0%
      Leavittsburg, OH1,4684216.0%
      Stratford, OK1,4683628.0%
      University of Pittsburgh Johnstown, PA1,4683922.0%
      Williamsville, IL1,4684020.0%
      Source: The Williamsville, 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.