TODAY NOV25
TEMPERATURE19
HUMIDITY64
PRESSURE102610
WIND COND.320 25.9
  • 3112Tue
  • 258Wed20%
  • 210
  • 172Fri20%
  • 14-2Sat20%
daynightWeather update from Huron, Huron Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in De Smet for July is 75 degrees
  • The lowest monthly average temperature in De Smet for January is 16.8 degrees
  • The most monthly precipitation in De Smet occurs in June with 4.5 inches
  • The air quality index in De Smet is equal to the national average
  • The pollution index in De Smet is 93% better than the national average

Compare De Smet, SD Weather

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      De Smet 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
      January6°F28°F17°F0.5"
      February9°F34°F20°F0.7"
      March22°F48°F34°F1.0"
      April33°F62°F47°F2.2"
      May44°F73°F58°F3.2"
      June55°F83°F69°F4.5"
      July61°F89°F75°F2.7"
      August58°F85°F71°F3.3"
      September49°F79°F63°F2.8"
      October36°F64°F49°F2.2"
      November22°F49°F34°F0.8"
      December9°F31°F19°F1.3"

      De Smet 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.
      IndexDe SmetSouth DakotaNational
      Air quality index423642
      Pollution index198,190345,6232,726,193

      De Smet air quality

      MeasurementTotal
      Days measured365
      Days with good air quality284
      Days with moderate air quality76
      Days w/ poor A.Q. for sensitive groups5
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly De Smet temperature with heat index

      De Smet monthly precipitation with daily maximum

      De Smet monthly snow depth with daily maximum

      De Smet monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Iroquois, SD3782550.0%
      Bryant, SD7352550.0%
      Erwin, SD542550.0%
      Bancroft, SD502550.0%
      Lake Preston, SD4484216.0%
      De Smet, SD1,0414216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Poncha Springs, CO1,0411668.0%
      St. Leon, IN1,041548.0%
      Cloverport, KY1,0414314.0%
      Kraemer, LA1,0414118.0%
      Norwood Court, MO1,041548.0%
      De Smet, SD1,0414216.0%
      Source: The De Smet, 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.