TODAY MAR19
TEMPERATURE39
HUMIDITY39
PRESSURE100920
WIND COND.190 25.9
  • 5417Tue
  • 3220Wed30%
  • 3618Thu60%70%
  • 3315Fri
  • 2919Sat60%60%
daynightWeather update from Aberdeen, Aberdeen Regional Airport at
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Weather Quick Facts

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

Compare Ashton, SD Weather

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      Ashton 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"

      Ashton 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.
      IndexAshtonSouth DakotaNational
      Air quality index203642
      Pollution index206,038345,6232,726,193

      Ashton 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

      Ashton air quality information

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

      Average monthly Ashton temperature with heat index

      Ashton monthly precipitation with daily maximum

      Ashton monthly snow depth with daily maximum

      Ashton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Brentford, SD612060.0%
      Redfield, SD2,4962060.0%
      Frankfort, SD1392060.0%
      Chelsea, SD542060.0%
      Mellette, SD1912060.0%
      Ashton, SD912060.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lowell Point, AK913138.0%
      Guion, AR913628.0%
      Hat Creek, CA914216.0%
      Lake Davis, CA914412.0%
      Peoria, CO915816.0%
      Ashton, SD912060.0%
      Source: The Ashton, 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.