TODAY APR25
TEMPERATURE61
HUMIDITY32
PRESSURE101900
WIND COND.130 14.8
  • 6848Thu90%
  • 6350Fri100%100%
  • 6143Sat30%30%
  • 5538Sun80%80%
  • 5740Mon
daynightWeather update from Sioux Falls, Foss Field at
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Weather Quick Facts

  • The highest monthly average temperature in Chester for July is 72 degrees
  • The lowest monthly average temperature in Chester for January is 15.2 degrees
  • The most monthly precipitation in Chester occurs in January with 6.8 inches
  • The air quality index in Chester is 14% better than the national average
  • The pollution index in Chester is 10% better than the national average

Compare Chester, SD Weather

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      Chester 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
      January6°F25°F15°F6.8"
      February10°F31°F20°F2.6"
      March22°F45°F33°F1.9"
      April34°F59°F46°F2.3"
      May45°F70°F57°F4.2"
      June56°F80°F68°F5.5"
      July60°F84°F72°F3.6"
      August57°F81°F69°F3.9"
      September49°F75°F61°F2.2"
      October36°F61°F48°F2.5"
      November24°F46°F34°F1.2"
      December10°F28°F19°F3.4"

      Chester 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.
      IndexChesterSouth DakotaNational
      Air quality index363642
      Pollution index2,464,570345,6232,726,193

      Chester 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

      Chester air quality information

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

      Average monthly Chester temperature with heat index

      Chester monthly precipitation with daily maximum

      Chester monthly snow depth with daily maximum

      Chester monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Baltic, SD1,1693628.0%
      Colton, SD7543628.0%
      Dell Rapids, SD3,6783628.0%
      Trent, SD3013628.0%
      Montrose, SD5513628.0%
      Chester, SD2853628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Sherrill, AR2854510.0%
      Desert Center, CA2855816.0%
      Barwick, GA2853530.0%
      Kensett, IA2851570.0%
      Plainville, IL2854118.0%
      Chester, SD2853628.0%
      Source: The Chester, 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.