TODAY NOV25
TEMPERATURE41
HUMIDITY71
PRESSURE102130
WIND COND.300 18.4
  • 4536Tue
  • 4629Wed50%40%
  • 3919
  • 3218Fri
  • 3115Sat30%
daynightWeather update from Pittsfield, Pittsfield Penstone Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Valley City for July is 76.4 degrees
  • The lowest monthly average temperature in Valley City for January is 28.9 degrees
  • The most monthly precipitation in Valley City occurs in June with 10.4 inches
  • The air quality index in Valley City is 3% better than the national average
  • The pollution index in Valley City is 92% better than the national average

Compare Valley City, IL Weather

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      Valley City 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
      January21°F39°F29°F3.5"
      February23°F41°F31°F3.2"
      March36°F56°F44°F3.6"
      April46°F68°F56°F7.4"
      May56°F76°F65°F7.6"
      June64°F84°F74°F10.4"
      July67°F87°F76°F8.6"
      August65°F87°F75°F6.1"
      September58°F81°F68°F8.5"
      October46°F68°F56°F5.6"
      November36°F55°F45°F5.5"
      December27°F42°F33°F6.1"

      Valley City 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.
      IndexValley CityIllinoisNational
      Air quality index414142
      Pollution index222,6333,148,6942,726,193

      Valley City air quality

      MeasurementTotal
      Days measured241
      Days with good air quality208
      Days with moderate air quality33
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.003%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.002%
      Mercury0.000%

      Average monthly Valley City temperature with heat index

      Valley City monthly precipitation with daily maximum

      Valley City monthly snow depth with daily maximum

      Valley City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Alsey, IL1754020.0%
      Exeter, IL724020.0%
      Glasgow, IL934020.0%
      Chapin, IL5364020.0%
      Arenzville, IL4004020.0%
      Valley City, IL294118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Larsen Bay, AK293138.0%
      Birdsong, AR294510.0%
      Norristown, GA29476.0%
      St. Anthony, IA293726.0%
      Kaskaskia, IL29548.0%
      Valley City, IL294118.0%
      Source: The Valley City, 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.