TODAY APR19
TEMPERATURE38
HUMIDITY70
PRESSURE101190
WIND COND.270 13
  • 4329Fri20%50%
  • 4734Sat
  • 5231Sun
  • 4928Mon
  • 4427Tue
daynightWeather update from Grand Marais, The Bay of Grand Marais at
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Weather Quick Facts

  • The highest monthly average temperature in Grand Marais for August is 61.9 degrees
  • The lowest monthly average temperature in Grand Marais for January is 17.1 degrees
  • The most monthly precipitation in Grand Marais occurs in June with 4.8 inches
  • The air quality index in Grand Marais is 81% better than the national average
  • The pollution index in Grand Marais is 52% better than the national average

Compare Grand Marais, MN Weather

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      Grand Marais 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
      January9°F25°F17°F1.1"
      February9°F26°F17°F1.0"
      March20°F36°F28°F1.4"
      April31°F47°F38°F2.5"
      May39°F56°F46°F3.0"
      June45°F63°F52°F4.8"
      July53°F72°F61°F3.5"
      August55°F71°F62°F2.4"
      September50°F64°F56°F3.2"
      October39°F53°F46°F3.1"
      November28°F41°F34°F2.4"
      December14°F28°F21°F1.7"

      Grand Marais 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.
      IndexGrand MaraisMinnesotaNational
      Air quality index83542
      Pollution index1,312,4501,854,5192,726,193

      Grand Marais air quality information

      MeasurementTotal
      Days measured59
      Days with good air quality59
      Days with moderate air quality0
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Grand Marais air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.040%
      Mercury0.070%

      Average monthly Grand Marais temperature with heat index

      Grand Marais monthly precipitation with daily maximum

      Grand Marais monthly snow depth with daily maximum

      Grand Marais monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Grand Marais, MN1,426884.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Green Springs, OH1,4264020.0%
      Wotton, QC1,426n/a 
      Magnetawan, ON1,426n/a 
      Shellbrook, SK1,426n/a 
      North Granby, CT1,4254020.0%
      Grand Marais, MN1,426884.0%
      Source: The Grand Marais, MN 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.