TODAY DEC23
TEMPERATURE30
HUMIDITY100
PRESSURE101320.75
WIND COND.320 11.1
  • 3121Mon
  • 3622Tue
  • 3927
  • 3928Thu
  • 3825Fri
daynightWeather update from Redfield Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Seneca for July is 74.3 degrees
  • The lowest monthly average temperature in Seneca for January is 16.9 degrees
  • The most monthly precipitation in Seneca occurs in May with 3.3 inches
  • The air quality index in Seneca is 52% better than the national average
  • The pollution index in Seneca is 96% better than the national average

Compare Seneca, SD Weather

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      Seneca 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
      January7°F28°F17°F0.4"
      February9°F31°F19°F0.8"
      March23°F47°F33°F0.9"
      April33°F60°F45°F1.9"
      May44°F71°F57°F3.3"
      June55°F81°F67°F3.1"
      July61°F89°F74°F2.0"
      August59°F86°F71°F3.0"
      September50°F77°F62°F1.6"
      October37°F61°F48°F1.8"
      November23°F46°F33°F0.4"
      December10°F29°F19°F0.7"

      Seneca 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.
      IndexSenecaSouth DakotaNational
      Air quality index203642
      Pollution index120,529345,6232,726,193

      Seneca air quality

      MeasurementTotal
      Days measured122
      Days with good air quality112
      Days with moderate air quality10
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Seneca temperature with heat index

      Seneca monthly precipitation with daily maximum

      Seneca monthly snow depth with daily maximum

      Seneca monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Tolstoy, SD342060.0%
      Hoven, SD3132060.0%
      Lebanon, SD482060.0%
      Onaka, SD282060.0%
      Seneca, SD392060.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Stony River, AK393138.0%
      Sunrise, AK393138.0%
      Tibbie, AL394216.0%
      Haigler Creek, AZ396020.0%
      Edgewood, CA394216.0%
      Seneca, SD392060.0%
      Source: The Seneca, 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.