TODAY NOV21
TEMPERATURE48
HUMIDITY24
PRESSURE102030
WIND COND.130 11.2
  • 5324Fri
  • 5227Sat
  • 3915Sun20%
  • 3417Mon
  • 4120Tue
daynightWeather update from Rapid City, Rapid City Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Hermosa for July is 74 degrees
  • The lowest monthly average temperature in Hermosa for December is 23.4 degrees
  • The most monthly precipitation in Hermosa occurs in May with 3.5 inches
  • The air quality index in Hermosa is 5% worse than the national average
  • The pollution index in Hermosa is 28% better than the national average

Compare Hermosa, SD Weather

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      Hermosa 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
      January12°F40°F25°F0.3"
      February13°F43°F26°F0.5"
      March23°F55°F37°F0.8"
      April31°F61°F45°F2.1"
      May40°F70°F54°F3.5"
      June51°F82°F66°F3.2"
      July58°F92°F74°F1.8"
      August55°F89°F71°F2.2"
      September46°F81°F62°F1.3"
      October34°F65°F48°F1.2"
      November22°F53°F36°F0.5"
      December11°F38°F23°F0.6"

      Hermosa 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.
      IndexHermosaSouth DakotaNational
      Air quality index443642
      Pollution index1,968,790345,6232,726,193

      Hermosa 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 Hermosa temperature with heat index

      Hermosa monthly precipitation with daily maximum

      Hermosa monthly snow depth with daily maximum

      Hermosa monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Caputa, SD04412.0%
      Fairburn, SD1044412.0%
      Colonial Pine Hills, SD2,7204412.0%
      Green Valley, SD1,2524412.0%
      Keystone, SD5424412.0%
      Hermosa, SD4074412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Nutrioso, AZ4074412.0%
      Bangor, CA4074412.0%
      Dorrington, CA4073922.0%
      Point Arena, CA4073334.0%
      Newcastle, NE4073530.0%
      Hermosa, SD4074412.0%
      Source: The Hermosa, 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.