TODAY SEP20
TEMPERATURE70
HUMIDITY43
PRESSURE100920
WIND COND.
  • 6439Sat
  • 6743Sun
  • 7247Mon
  • 7146Tue
  • 7750Wed
daynightWeather update from MANDAN at
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Weather Quick Facts

  • The highest monthly average temperature in Harmon for July is 72.6 degrees
  • The lowest monthly average temperature in Harmon for January is 14.7 degrees
  • The most monthly precipitation in Harmon occurs in June with 3.8 inches
  • The air quality index in Harmon is 14% better than the national average
  • The pollution index in Harmon is 57% better than the national average

Compare Harmon, ND Weather

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      Harmon 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
      January3°F27°F15°F0.5"
      February6°F31°F17°F0.5"
      March19°F46°F31°F0.8"
      April30°F60°F44°F1.6"
      May40°F71°F55°F3.0"
      June51°F81°F66°F3.8"
      July57°F89°F73°F2.7"
      August54°F86°F69°F3.1"
      September45°F78°F60°F1.7"
      October33°F61°F46°F1.4"
      November19°F46°F31°F0.7"
      December6°F28°F16°F1.2"

      Harmon 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.
      IndexHarmonNorth DakotaNational
      Air quality index363542
      Pollution index1,180,6101,038,6652,726,193

      Harmon air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality320
      Days with moderate air quality45
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Harmon air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.020%
      Carbon Tetrachloride0.004%
      Lead0.010%
      Mercury0.000%

      Average monthly Harmon temperature with heat index

      Harmon monthly precipitation with daily maximum

      Harmon monthly snow depth with daily maximum

      Harmon monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lincoln, ND4,1403628.0%
      Mandan, ND22,4823628.0%
      Wilton, ND7253628.0%
      Bismarck, ND73,4353628.0%
      Harmon, ND2283628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fruitdale, AL2284216.0%
      Grady, AR2284510.0%
      Griffithville, AR2284510.0%
      Everglades, FL2283432.0%
      Arthur, IA2283530.0%
      Harmon, ND2283628.0%
      Source: The Harmon, ND 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.