TODAY NOV25
TEMPERATURE43
HUMIDITY72
PRESSURE101930
WIND COND.300 22.3
  • 4436Tue
  • 4628Wed50%40%
  • 3819
  • 3218Fri
  • 3014Sat30%
daynightWeather update from Pittsfield, Pittsfield Penstone Municipal Airport at
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Weather Quick Facts

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

Compare Perry, IL Weather

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      Perry 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"

      Perry 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.
      IndexPerryIllinoisNational
      Air quality index414142
      Pollution index222,6333,148,6942,726,193

      Perry 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 Perry temperature with heat index

      Perry monthly precipitation with daily maximum

      Perry monthly snow depth with daily maximum

      Perry monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Exeter, IL724020.0%
      Bluffs, IL7734118.0%
      Florence, IL514118.0%
      Pittsfield, IL4,2154118.0%
      Versailles, IL4244118.0%
      Perry, IL2744118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Wilmar, AR2743530.0%
      Top-of-the-World, AZ2746020.0%
      Manlius, IL2744216.0%
      Grinnell, KS2741570.0%
      Gamaliel, KY2742550.0%
      Perry, IL2744118.0%
      Source: The Perry, 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.