TODAY MAR28
TEMPERATURE49
HUMIDITY48
PRESSURE101660
WIND COND.290 16.6
  • 6045Fri90%
  • 6237Sat30%
  • 5241Sun20%
  • 5338Mon
  • 5132Tue
daynightWeather update from Chicago / West Chicago, Dupage Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Geneva for August is 73.7 degrees
  • The lowest monthly average temperature in Geneva for February is 24.4 degrees
  • The most monthly precipitation in Geneva occurs in August with 8.3 inches
  • The air quality index in Geneva is 31% worse than the national average
  • The pollution index in Geneva is 450% worse than the national average

Compare Geneva, IL Weather

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      Geneva 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°F33°F26°F3.6"
      February18°F32°F24°F3.0"
      March30°F49°F39°F3.1"
      April39°F62°F49°F5.2"
      May49°F72°F60°F3.7"
      June60°F83°F72°F4.9"
      July62°F84°F73°F7.8"
      August64°F84°F74°F8.3"
      September56°F80°F68°F2.9"
      October47°F67°F56°F4.3"
      November32°F50°F40°F3.1"
      December18°F32°F25°F2.2"

      Geneva 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.
      IndexGenevaIllinoisNational
      Air quality index554142
      Pollution index14,981,3003,148,6942,726,193

      Geneva air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality121
      Days with moderate air quality227
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality1

      Geneva air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.140%
      Carbon Tetrachloride0.030%
      Lead0.020%
      Mercury0.010%

      Average monthly Geneva temperature with heat index

      Geneva monthly precipitation with daily maximum

      Geneva monthly snow depth with daily maximum

      Geneva monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Oswego, IL35,4700100.0%
      Prestbury, IL1,9780100.0%
      Big Rock, IL1,2710100.0%
      Montgomery, IL19,5150100.0%
      Plano, IL11,0580100.0%
      Geneva, IL21,8435510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Darien, IL21,8435510.0%
      Linda, CA21,8424412.0%
      Shelbyville, TN21,8413138.0%
      Rose Hill, VA21,846476.0%
      Lexington, SC21,8474314.0%
      Geneva, IL21,8435510.0%
      Source: The Geneva, 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.