TODAY DEC26
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.250 11.2
  • 4328Thu40%
  • 4226Fri
  • 4329Sat
  • 4327Sun
  • 3318Mon
daynightWeather update from Custer, Custer County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Hill City for July is 67.4 degrees
  • The lowest monthly average temperature in Hill City for December is 23.4 degrees
  • The most monthly precipitation in Hill City occurs in May with 3.3 inches
  • The air quality index in Hill City is 5% worse than the national average
  • The pollution index in Hill City is 28% better than the national average

Compare Hill City, SD Weather

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      Hill City 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
      January15°F37°F25°F0.4"
      February14°F36°F24°F0.6"
      March23°F48°F34°F1.0"
      April28°F53°F39°F2.4"
      May37°F61°F48°F3.3"
      June47°F74°F60°F2.9"
      July53°F82°F67°F2.7"
      August51°F80°F65°F2.4"
      September43°F72°F56°F1.7"
      October32°F57°F43°F1.3"
      November23°F46°F34°F0.6"
      December13°F35°F23°F0.7"

      Hill City 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.
      IndexHill CitySouth DakotaNational
      Air quality index443642
      Pollution index1,968,790345,6232,726,193

      Hill City air quality

      MeasurementTotal
      Days measured365
      Days with good air quality274
      Days with moderate air quality87
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.003%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.020%
      Mercury0.010%

      Average monthly Hill City temperature with heat index

      Hill City monthly precipitation with daily maximum

      Hill City monthly snow depth with daily maximum

      Hill City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Keystone, SD5424412.0%
      Colonial Pine Hills, SD2,7204412.0%
      Custer, SD2,3144412.0%
      Johnson Siding, SD6584412.0%
      Hill City, SD5874412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Launiupoko, HI5871570.0%
      Georgetown, ID5874412.0%
      Taylor Springs, IL5874020.0%
      Gillis, LA5874510.0%
      Halstad, MN5873334.0%
      Hill City, SD5874412.0%
      Source: The Hill City, 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.