TODAY NOV25
TEMPERATURE
HUMIDITY92
PRESSURE101020
WIND COND.360 18.4
  • 238Mon
  • 2510Tue
  • 228Wed20%
  • 18-1
  • 132Fri20%
daynightWeather update from Watertown, Watertown Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Henry for July is 72.5 degrees
  • The lowest monthly average temperature in Henry for January is 13.6 degrees
  • The most monthly precipitation in Henry occurs in June with 3.7 inches
  • The air quality index in Henry is 41% better than the national average
  • The pollution index in Henry is 95% better than the national average

Compare Henry, SD Weather

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      Henry 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
      January5°F23°F14°F0.4"
      February7°F27°F16°F0.6"
      March22°F41°F30°F1.1"
      April33°F57°F44°F1.9"
      May45°F69°F56°F3.0"
      June56°F78°F67°F3.7"
      July61°F84°F72°F2.6"
      August58°F81°F69°F3.6"
      September50°F74°F61°F2.8"
      October37°F58°F47°F2.3"
      November23°F43°F32°F0.4"
      December9°F26°F17°F0.7"

      Henry 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.
      IndexHenrySouth DakotaNational
      Air quality index253642
      Pollution index146,247345,6232,726,193

      Henry 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%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Henry temperature with heat index

      Henry monthly precipitation with daily maximum

      Henry monthly snow depth with daily maximum

      Henry monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Vienna, SD1262550.0%
      Florence, SD3712550.0%
      Wallace, SD692550.0%
      Hazel, SD1432550.0%
      Garden City, SD932550.0%
      Henry, SD2952550.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Colony, AL295536.0%
      Dyess, AR2954510.0%
      Viola, AR2953628.0%
      Canby, CA2952942.0%
      Grenada, CA2953628.0%
      Henry, SD2952550.0%
      Source: The Henry, 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.