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Key findings

  • The highest monthly average temperature in Allegan for July is 72.8 degrees
  • The lowest monthly average temperature in Allegan for February is 26.8 degrees
  • The most monthly precipitation in Allegan occurs in October with 5 inches
  • The air quality index in Allegan is 22% better than the national average
  • The pollution index in Allegan is 65% better than the national average

Compare Allegan, MI Weather

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      Allegan 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
      January20°F34°F27°F2.1"
      February20°F34°F27°F1.9"
      March29°F47°F37°F2.5"
      April39°F60°F49°F4.4"
      May49°F72°F60°F3.9"
      June59°F80°F69°F4.1"
      July62°F83°F73°F3.6"
      August61°F81°F71°F3.5"
      September54°F76°F64°F2.9"
      October44°F63°F53°F5.0"
      November35°F51°F42°F2.8"
      December26°F39°F32°F2.5"

      Allegan 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.
      IndexAlleganMichiganNational
      Air quality index396950
      Pollution index1,797,1304,018,8005,066,862

      Allegan air quality information

      MeasurementTotal
      Days measured241
      Days with good air quality185
      Days with moderate air quality51
      Days w/ poor A.Q. for sensitive groups5
      Days with unhealthy air quality

      Allegan air quality information

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

      Average monthly Allegan temperature with heat index

      Allegan monthly precipitation with daily maximum

      Allegan monthly snow depth with daily maximum

      Allegan monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Parchment, MI1,9313824%
      Fennville, MI1,9133824%
      Breedsville, MI1943922%
      Hopkins, MI7393922%
      Wayland, MI4,1343922%
      Allegan, MI5,0513922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Whitestown, IN5,050548%
      Dacula, GA5,0533726%
      Town and Country, WA5,0484314%
      Kenneth City, FL5,0484314%
      Munroe Falls, OH5,0554314%
      Allegan, MI5,0513922%
      Source: The Allegan, 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.