TODAY AUG18
TEMPERATURE70
HUMIDITY76
PRESSURE30.06
WIND COND.110 6.9
  • 7159Sat
  • 7860Sun20%
  • 6857Mon30%40%
  • 6856Tue
  • 7258Wed
daynightWeather update from Hancock, Houghton County Memorial Airport at

Ontonagon 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
January11°F24°F17°F0.9"
February9°F25°F17°F0.9"
March18°F36°F27°F1.0"
April29°F48°F38°F1.6"
May40°F62°F50°F3.0"
June49°F72°F60°F3.7"
July55°F77°F66°F3.1"
August55°F76°F65°F2.9"
September48°F68°F57°F3.9"
October38°F54°F46°F3.8"
November27°F41°F34°F2.0"
December16°F28°F22°F1.3"

Did you know?

  • The highest monthly average temperature in Ontonagon for July is 66 degrees.
  • The lowest monthly average temperature in Ontonagon for February is 17 degrees.
  • The most monthly precipitation in Ontonagon occurs in September with 3.9 inches.
  • The air quality index in Ontonagon is 83% better than the national average.
  • The pollution index in Ontonagon is 15% better than the national average.

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Compare Ontonagon, MI Weather To Other Cities

Ontonagon 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.
IndexOntonagonMichiganNational
Air quality index86950
Pollution index4,281,3504,018,8005,066,862

Ontonagon air quality information

MeasurementTotal
Days measured51
Days with good air quality51
Days with moderate air quality
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Ontonagon air quality information

PollutantTotal
Arsenic0.002%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.010%
Mercury0.000%

Average monthly Ontonagon temperature with heat index

Ontonagon monthly precipitation with daily maximum

Ontonagon monthly snow depth with daily maximum

Ontonagon monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
White Pine, MI452884%
Ontonagon, MI1,504884%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Honaker, VA1,5044510%
New Pekin, IN1,5045510%
Boaz, WV1,5043334%
Sackets Harbor, NY1,5043138%
Gold Key Lake, PA1,5043922%
Ontonagon, MI1,504884%
Source: The Ontonagon, 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.