TODAY NOV23
TEMPERATURE40
HUMIDITY89
PRESSURE101290
WIND COND.290 18.4
  • 4233Sun20%
  • 4328Mon60%60%
  • 3524Tue60%
  • 3620Wed
  • 3419
daynightWeather update from Houghton Lake, Roscommon County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in St. Helen for July is 68.8 degrees
  • The lowest monthly average temperature in St. Helen for January is 20.3 degrees
  • The most monthly precipitation in St. Helen occurs in June with 3.9 inches
  • The air quality index in St. Helen is 14% better than the national average
  • The pollution index in St. Helen is 21% better than the national average

Compare St. Helen, MI Weather

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      St. Helen 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
      January12°F29°F20°F2.3"
      February10°F30°F20°F1.4"
      March19°F42°F30°F2.1"
      April30°F57°F43°F3.5"
      May42°F70°F56°F3.2"
      June51°F79°F65°F3.9"
      July55°F82°F69°F2.9"
      August53°F80°F67°F3.0"
      September46°F73°F59°F2.8"
      October37°F60°F48°F3.1"
      November28°F46°F37°F2.2"
      December18°F33°F26°F2.2"

      St. Helen 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.
      IndexSt. HelenMichiganNational
      Air quality index366942
      Pollution index2,149,7904,161,6062,726,193

      St. Helen air quality

      MeasurementTotal
      Days measured365
      Days with good air quality330
      Days with moderate air quality35
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.003%
      Mercury0.000%

      Average monthly St. Helen temperature with heat index

      St. Helen monthly precipitation with daily maximum

      St. Helen monthly snow depth with daily maximum

      St. Helen monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Rose City, MI6712648.0%
      West Branch, MI2,0522648.0%
      Roscommon, MI1,1373628.0%
      Prudenville, MI1,7553628.0%
      St. Helen, MI2,8683628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bald Knob, AR2,8684510.0%
      Simpsonville, KY2,868492.0%
      Drumright, OK2,8684510.0%
      North Sioux City, SD2,8683530.0%
      Pemberton, BC2,868n/a 
      St. Helen, MI2,8683628.0%
      Source: The St. Helen, MI 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.