TODAY MAY12
TEMPERATURE38
HUMIDITY79
PRESSURE30.42
WIND COND.120 11.2
  • 6240Wed
  • 6545Thu
  • 6350Fri40%40%
  • 6753Sat40%50%
  • 7058Sun60%70%
daynightWeather update from Ottumwa, Ottumwa Industrial Airport at

Key findings

  • The highest monthly average temperature in Unionville for July is 74.9 degrees
  • The lowest monthly average temperature in Unionville for January is 23.5 degrees
  • The most monthly precipitation in Unionville occurs in June with 6.5 inches
  • The air quality index in Unionville is 22% better than the national average
  • The pollution index in Unionville is 76% better than the national average

Compare Unionville, IA Weather

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      Unionville 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
      January15°F33°F24°F0.7"
      February17°F36°F26°F1.1"
      March31°F52°F40°F2.3"
      April41°F65°F52°F4.7"
      May51°F74°F62°F5.0"
      June62°F83°F72°F6.5"
      July65°F86°F75°F4.5"
      August63°F84°F73°F5.2"
      September54°F78°F65°F3.7"
      October43°F65°F53°F3.0"
      November32°F52°F41°F2.0"
      December20°F36°F28°F1.9"

      Unionville 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.
      IndexUnionvilleIowaNational
      Air quality index393950
      Pollution index1,228,2101,643,8365,066,862

      Unionville air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality306
      Days with moderate air quality59
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Unionville air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.001%
      Mercury0.000%

      Average monthly Unionville temperature with heat index

      Unionville monthly precipitation with daily maximum

      Unionville monthly snow depth with daily maximum

      Unionville monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bloomfield, IA2,6222942%
      Moulton, IA6532942%
      Ottumwa, IA24,7092942%
      Drakesville, IA1722942%
      Mystic, IA3633922%
      Unionville, IA783922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Glendale CDP, CO785816%
      St. Charles, VA784510%
      Saltillo, IN783530%
      Odessa, NE781962%
      La Due, MO78476%
      Unionville, IA783922%
      Source: The Unionville, IA 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.