TODAY MAY26
TEMPERATURE70
HUMIDITY42
PRESSURE100440
WIND COND.130 14.8
  • 7553Sun20%
  • 744920%20%
  • 7446Tue
  • 7557Wed
  • 7860Thu30%50%
daynightWeather update from Sioux Falls, Foss Field at
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Weather Quick Facts

  • The highest monthly average temperature in Sioux Falls for July is 74.7 degrees
  • The lowest monthly average temperature in Sioux Falls for January is 18 degrees
  • The most monthly precipitation in Sioux Falls occurs in June with 5.2 inches
  • The air quality index in Sioux Falls is 14% better than the national average
  • The pollution index in Sioux Falls is 10% better than the national average

Compare Sioux Falls, SD Weather

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      Sioux Falls 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
      January8°F29°F18°F0.6"
      February10°F34°F21°F0.9"
      March24°F48°F35°F1.3"
      April35°F62°F48°F3.0"
      May45°F73°F59°F3.9"
      June57°F82°F70°F5.2"
      July61°F87°F75°F3.2"
      August59°F84°F71°F4.4"
      September51°F78°F64°F3.2"
      October38°F64°F50°F3.1"
      November24°F49°F36°F1.0"
      December11°F32°F21°F1.4"

      Sioux Falls 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.
      IndexSioux FallsSouth DakotaNational
      Air quality index363642
      Pollution index2,464,570345,6232,726,193

      Sioux Falls air quality information

      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

      Sioux Falls air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.020%
      Mercury0.001%

      Average monthly Sioux Falls temperature with heat index

      Sioux Falls monthly precipitation with daily maximum

      Sioux Falls monthly snow depth with daily maximum

      Sioux Falls monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Larchwood, IA9733628.0%
      Garretson, SD1,4933628.0%
      Valley Springs, SD8853628.0%
      Shindler, SD9333628.0%
      Anderson, SD5063628.0%
      Sioux Falls, SD180,9273628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Chattanooga, TN181,370468.0%
      Fort Lauderdale, FL181,8184118.0%
      Brownsville, TX182,2304412.0%
      Newport News, VA179,5824020.0%
      Providence, RI179,4724412.0%
      Sioux Falls, SD180,9273628.0%
      Source: The Sioux Falls, 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.