TODAY MAR19
TEMPERATURE28
HUMIDITY64
PRESSURE101150
WIND COND.230 22.3
  • 4728
  • 3519Wed
  • 3824Thu
  • 3924Fri60%70%
  • 3720Sat
daynightWeather update from Branch County Memorial Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Union City for July is 71.7 degrees
  • The lowest monthly average temperature in Union City for January is 24.8 degrees
  • The most monthly precipitation in Union City occurs in August with 9.4 inches
  • The air quality index in Union City is 10% better than the national average
  • The pollution index in Union City is 31% better than the national average

Compare Union City, MI Weather

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      Union City 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
      January18°F32°F25°F3.7"
      February17°F33°F25°F3.3"
      March28°F47°F36°F4.8"
      April38°F60°F48°F4.4"
      May49°F71°F60°F6.1"
      June58°F79°F68°F1.9"
      July62°F82°F72°F6.8"
      August60°F80°F69°F9.4"
      September53°F74°F63°F5.5"
      October42°F62°F51°F8.0"
      November32°F49°F40°F4.3"
      December24°F36°F30°F2.3"

      Union City 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.
      IndexUnion CityMichiganNational
      Air quality index386942
      Pollution index1,872,4104,161,6062,726,193

      Union City air quality information

      MeasurementTotal
      Days measured362
      Days with good air quality312
      Days with moderate air quality50
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Union City air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.030%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.000%

      Average monthly Union City temperature with heat index

      Union City monthly precipitation with daily maximum

      Union City monthly snow depth with daily maximum

      Union City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Athens, MI1,0453824.0%
      Colon, MI1,1283824.0%
      Climax, MI9533824.0%
      Bronson, MI2,0613824.0%
      Quincy, MI1,4223824.0%
      Union City, MI1,7313824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Chester Center, CT1,7313726.0%
      Winterville, GA1,7314412.0%
      Bismarck, MO1,731548.0%
      Avon-by-the-Sea, NJ1,731512.0%
      Lot 1, PE1,731n/a 
      Union City, MI1,7313824.0%
      Source: The Union City, 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.