TODAY APR19
TEMPERATURE50
HUMIDITY100
PRESSURE
WIND COND.320 31.7
  • 5135Sat
  • 5536Sun
  • 6145Mon
  • 6241Tue30%60%
  • 5432Wed
daynightWeather update from Versailles Darke County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Union City for August is 74.4 degrees
  • The lowest monthly average temperature in Union City for February is 25.6 degrees
  • The most monthly precipitation in Union City occurs in August with 8.8 inches
  • The air quality index in Union City is 86% better than the national average
  • The pollution index in Union City is 44% better than the national average

Compare Union City, OH 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
      January22°F37°F29°F8.1"
      February18°F34°F26°F4.1"
      March32°F52°F41°F5.7"
      April40°F64°F51°F7.1"
      May51°F75°F63°F2.9"
      June62°F84°F73°F4.0"
      July61°F84°F72°F4.9"
      August64°F85°F74°F8.8"
      September57°F81°F68°F4.3"
      October49°F68°F58°F5.4"
      November34°F53°F43°F6.2"
      December22°F36°F29°F5.0"

      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 CityOhioNational
      Air quality index64042
      Pollution index1,533,5704,472,3862,726,193

      Union City air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality364
      Days with moderate air quality
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Union City air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.003%
      Mercury0.001%

      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.
      Rossburg, OH269688.0%
      Lynn, IN1,314688.0%
      Ansonia, OH1,126688.0%
      New Weston, OH67688.0%
      Palestine, OH252688.0%
      Union City, OH1,660688.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Coleraine, MN1,6603530.0%
      Larouche, QC1,660n/a 
      Bulkley-Nechako E, BC1,660n/a 
      Key Vista, FL1,6594314.0%
      Corydon, IA1,6593922.0%
      Union City, OH1,660688.0%
      Source: The Union City, OH 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.