TODAY DEC23
TEMPERATURE26
HUMIDITY88
PRESSURE101190
WIND COND.320 13
  • 2617Mon
  • 3222Tue
  • 3528
  • 3629Thu
  • 3528Fri30%20%
daynightWeather update from Watertown, Watertown Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Naples for July is 72.5 degrees
  • The lowest monthly average temperature in Naples for January is 13.6 degrees
  • The most monthly precipitation in Naples occurs in June with 3.7 inches
  • The air quality index in Naples is 41% better than the national average
  • The pollution index in Naples is 95% better than the national average

Compare Naples, SD 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
      January5°F23°F14°F0.4"
      February7°F27°F16°F0.6"
      March22°F41°F30°F1.1"
      April33°F57°F44°F1.9"
      May45°F69°F56°F3.0"
      June56°F78°F67°F3.7"
      July61°F84°F72°F2.6"
      August58°F81°F69°F3.6"
      September50°F74°F61°F2.8"
      October37°F58°F47°F2.3"
      November23°F43°F32°F0.4"
      December9°F26°F17°F0.7"

      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.
      IndexNaplesSouth DakotaNational
      Air quality index253642
      Pollution index146,247345,6232,726,193

      Naples air quality

      MeasurementTotal
      Days measured361
      Days with good air quality325
      Days with moderate air quality36
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.000%
      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.
      Vienna, SD1262550.0%
      Hazel, SD1432550.0%
      Bryant, SD7352550.0%
      Willow Lake, SD4452550.0%
      Garden City, SD932550.0%
      Naples, SD442550.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ocotillo, CA445816.0%
      Whitley Gardens, CA44468.0%
      Crestone, CO441668.0%
      Lynn, CO442060.0%
      Fenwick, CT443726.0%
      Naples, SD442550.0%
      Source: The Naples, SD 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.