TODAY NOV22
TEMPERATURE30
HUMIDITY83
PRESSURE102410
WIND COND.290 13
  • 3319Fri
  • 3224Sat
  • 3315Sun
  • 2210Mon
  • 2212Tue
daynightWeather update from Canby Airfield at
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Weather Quick Facts

  • The highest monthly average temperature in Altamont for July is 73.5 degrees
  • The lowest monthly average temperature in Altamont for January is 16.8 degrees
  • The most monthly precipitation in Altamont occurs in August with 7.1 inches
  • The air quality index in Altamont is 41% better than the national average
  • The pollution index in Altamont is 79% better than the national average

Compare Altamont, SD Weather

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      Altamont 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°F26°F17°F0.6"
      February11°F30°F19°F1.1"
      March25°F44°F33°F3.2"
      April35°F58°F46°F3.1"
      May48°F71°F59°F5.0"
      June58°F80°F69°F6.7"
      July62°F86°F74°F5.7"
      August60°F82°F70°F7.1"
      September52°F77°F63°F6.5"
      October40°F61°F50°F5.0"
      November27°F47°F36°F3.1"
      December13°F29°F21°F1.8"

      Altamont 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.
      IndexAltamontSouth DakotaNational
      Air quality index253642
      Pollution index580,913345,6232,726,193

      Altamont air quality

      MeasurementTotal
      Days measured361
      Days with good air quality325
      Days with moderate air quality36
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.004%
      Mercury0.000%

      Average monthly Altamont temperature with heat index

      Altamont monthly precipitation with daily maximum

      Altamont monthly snow depth with daily maximum

      Altamont monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Clear Lake, SD1,5032550.0%
      Kranzburg, SD1992550.0%
      Gary, SD2842550.0%
      Goodwin, SD1022550.0%
      Waverly, SD512550.0%
      Altamont, SD302550.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Alatna, AK303824.0%
      Skwentna, AK303138.0%
      Fourche, AR304510.0%
      Hidden Lake, CO30476.0%
      Gibson, IA303530.0%
      Altamont, SD302550.0%
      Source: The Altamont, 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.