TODAY MAR29
TEMPERATURE46
HUMIDITY58
PRESSURE101730
WIND COND.
  • 6849Sat
  • 7253Sun70%70%
  • 7343Mon70%80%
  • 5335Tue40%20%
  • 5336Wed20%
daynightWeather update from Pittsfield, Pittsfield Penstone Municipal Airport at
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Weather Quick Facts

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

Compare Naples, IL Weather

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      Naples 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"

      Naples 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.
      IndexNaplesIllinoisNational
      Air quality index414142
      Pollution index222,6333,148,6942,726,193

      Naples air quality information

      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

      Naples air quality information

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

      Average monthly Naples temperature with heat index

      Naples monthly precipitation with daily maximum

      Naples monthly snow depth with daily maximum

      Naples monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Concord, IL1704020.0%
      Manchester, IL2204020.0%
      Lynnville, IL1274020.0%
      Winchester, IL1,7174020.0%
      Arenzville, IL4004020.0%
      Naples, IL1434118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Atmautluak, AK1433138.0%
      Gu-Win, AL1433530.0%
      Sidney, AR1433628.0%
      Christopher Creek, AZ1436020.0%
      Kennedy Meadows, CA1436734.0%
      Naples, IL1434118.0%
      Source: The Naples, 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.