TODAY AUG14
TEMPERATURE62
HUMIDITY100
PRESSURE30
WIND COND.
  • 8466Wed50%
  • 7964Thu70%60%
  • 8061Fri20%
  • 8259Sat
  • 8361Sun
daynightWeather update from Jackson, Jackson County-Reynolds Field Airport at

Napoleon 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
January17°F33°F25°F2.2"
February17°F34°F25°F1.8"
March27°F47°F36°F2.2"
April37°F61°F48°F3.3"
May47°F72°F59°F3.8"
June57°F80°F69°F4.0"
July60°F83°F72°F3.7"
August59°F81°F70°F4.2"
September52°F75°F63°F3.0"
October42°F63°F52°F3.1"
November32°F50°F40°F2.3"
December23°F37°F30°F2.0"

Did you know?

  • The highest monthly average temperature in Napoleon for July is 72 degrees.
  • The lowest monthly average temperature in Napoleon for January is 25 degrees.
  • The most monthly precipitation in Napoleon occurs in August with 4.2 inches.
  • The air quality index in Napoleon is 23% better than the national average.
  • The pollution index in Napoleon is 24% better than the national average.

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Compare Napoleon, MI Weather To Other Cities

Napoleon 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.
IndexNapoleonMichiganNational
Air quality index386950
Pollution index3,811,6804,018,8005,066,862

Napoleon air quality information

MeasurementTotal
Days measured245
Days with good air quality209
Days with moderate air quality36
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Napoleon air quality information

PollutantTotal
Arsenic0.004%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.040%
Mercury0.002%

Average monthly Napoleon temperature with heat index

Napoleon monthly precipitation with daily maximum

Napoleon monthly snow depth with daily maximum

Napoleon monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Grass Lake, MI1,2113432%
Chelsea, MI5,1403432%
Addison, MI5913824%
Clinton, MI2,4953824%
Manitou Beach-Devils Lake, MI1,9793824%
Napoleon, MI1,2473824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Congress, AZ1,2474118%
Cortland West, NY1,2473236%
Hawkins, TX1,2473530%
Hewlett Harbor, NY1,247536%
Glyndon, MN1,2473530%
Napoleon, MI1,2473824%
Source: The Napoleon, 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.