TODAY MAR28
TEMPERATURE42
HUMIDITY39
PRESSURE101560
WIND COND.140 13
  • 4121Fri20%
  • 3926Sat20%
  • 3927Sun40%60%
  • 4223Mon50%20%
  • 5026Tue
daynightWeather update from Aberdeen, Aberdeen Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mellette for July is 72.8 degrees
  • The lowest monthly average temperature in Mellette for January is 13.6 degrees
  • The most monthly precipitation in Mellette occurs in July with 3.7 inches
  • The air quality index in Mellette is 52% better than the national average
  • The pollution index in Mellette is 92% better than the national average

Compare Mellette, SD Weather

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      Mellette 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
      January2°F26°F14°F0.6"
      February5°F30°F17°F0.7"
      March19°F45°F31°F0.9"
      April31°F61°F45°F2.3"
      May43°F72°F57°F3.5"
      June53°F82°F68°F3.6"
      July58°F88°F73°F3.7"
      August55°F84°F69°F2.5"
      September46°F78°F61°F2.1"
      October34°F63°F47°F2.0"
      November19°F47°F32°F0.6"
      December6°F28°F17°F1.0"

      Mellette 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.
      IndexMelletteSouth DakotaNational
      Air quality index203642
      Pollution index206,038345,6232,726,193

      Mellette air quality information

      MeasurementTotal
      Days measured122
      Days with good air quality112
      Days with moderate air quality10
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Mellette air quality information

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

      Average monthly Mellette temperature with heat index

      Mellette monthly precipitation with daily maximum

      Mellette monthly snow depth with daily maximum

      Mellette monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mansfield, SD912060.0%
      Chelsea, SD542060.0%
      Northville, SD1552060.0%
      Ashton, SD912060.0%
      Stratford, SD422060.0%
      Mellette, SD1912060.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Coffee Springs, AL1913530.0%
      Vredenburgh, AL191524.0%
      Hackberry, AZ1911374.0%
      Dixon, IA191468.0%
      Hanlontown, IA1911570.0%
      Mellette, SD1912060.0%
      Source: The Mellette, 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.