TODAY AUG19
TEMPERATURE57
HUMIDITY100
PRESSURE30.03
WIND COND.60 4.7
  • 8164Mon30%
  • 7352Tue90%60%
  • 7650Wed
  • 8054Thu
  • 7958Fri
daynightWeather update from Houghton Lake, Roscommon County Airport at

St. Helen Average Weather

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"

Did you know?

  • The highest monthly average temperature in St. Helen for July is 69 degrees.
  • The lowest monthly average temperature in St. Helen for January is 20 degrees.
  • The most monthly precipitation in St. Helen occurs in June with 3.9 inches.
  • The air quality index in St. Helen is 29% better than the national average.
  • The pollution index in St. Helen is 57% better than the national average.

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Compare St. Helen, MI Weather To Other Cities

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 index356950
Pollution index2,149,7904,018,8005,066,862

St. Helen air quality information

MeasurementTotal
Days measured365
Days with good air quality332
Days with moderate air quality33
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

St. Helen air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Prudenville, MI1,7273530%
Roscommon, MI1,1203530%
Rose City, MI612285470%
West Branch, MI2,269285470%
St. Helen, MI2,8063530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Shady Shores, TX2,805548%
Roslyn, NY2,808536%
New Hope, AL2,8083726%
Wilton, IA2,8085612%
Lincoln, ID2,8083530%
St. Helen, MI2,8063530%
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.