TODAY DEC23
TEMPERATURE31
HUMIDITY78
PRESSURE101190
WIND COND.340 14.8
  • 3421Mon
  • 3926Tue
  • 4330
  • 4131Thu
  • 4128Fri20%20%
daynightWeather update from Mitchell, Mitchell Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Ethan for July is 76 degrees
  • The lowest monthly average temperature in Ethan for January is 19.8 degrees
  • The most monthly precipitation in Ethan occurs in May with 3.6 inches
  • The air quality index in Ethan is 14% better than the national average
  • The pollution index in Ethan is 95% better than the national average

Compare Ethan, SD Weather

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      Ethan 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
      January11°F30°F20°F0.2"
      February13°F34°F22°F0.4"
      March26°F49°F36°F0.8"
      April37°F62°F48°F2.2"
      May48°F73°F60°F3.6"
      June59°F83°F71°F3.3"
      July64°F89°F76°F2.9"
      August61°F84°F72°F3.2"
      September52°F78°F64°F1.9"
      October40°F64°F50°F2.2"
      November26°F49°F36°F0.4"
      December13°F32°F22°F0.5"

      Ethan 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.
      IndexEthanSouth DakotaNational
      Air quality index363642
      Pollution index145,854345,6232,726,193

      Ethan air quality

      MeasurementTotal
      Days measured365
      Days with good air quality321
      Days with moderate air quality43
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Ethan temperature with heat index

      Ethan monthly precipitation with daily maximum

      Ethan monthly snow depth with daily maximum

      Ethan monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mount Vernon, SD5003628.0%
      Fulton, SD1383628.0%
      Alexandria, SD7663628.0%
      Milltown, SD253628.0%
      Dimock, SD1413628.0%
      Ethan, SD3283628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Saxman, AK3282060.0%
      Dillard, GA3284118.0%
      Fountain Run, KY3284314.0%
      Butlertown, MD328468.0%
      Keytesville, MO3283824.0%
      Ethan, SD3283628.0%
      Source: The Ethan, 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.