TODAY MAR02
TEMPERATURE18
HUMIDITY73
PRESSURE30.38
WIND COND.10 7.6
  • 3924Tue
  • 4123Wed
  • 4324Thu
  • 4326Fri
  • 4428Sat
daynightWeather update from Oelwein, Oelwein Municipal Airport at

Key findings

  • The highest monthly average temperature in West Union for July is 72 degrees
  • The lowest monthly average temperature in West Union for January is 19 degrees
  • The most monthly precipitation in West Union occurs in June with 5.1 inches
  • The air quality index in West Union is 22% better than the national average
  • The pollution index in West Union is 90% better than the national average

Compare West Union, IA Weather

      vs
      How would you rate the weather in West Union?
      Write a review to give others more information about this area.
      How would you rate the air quality in West Union?
      Write a review to give others more information about this area.
      See all West Union poll results

      West Union 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
      January12°F27°F19°F0.7"
      February13°F29°F21°F0.7"
      March29°F45°F36°F1.7"
      April39°F60°F48°F2.8"
      May50°F71°F60°F2.4"
      June60°F80°F70°F5.1"
      July62°F82°F72°F2.5"
      August60°F79°F69°F2.3"
      September53°F75°F63°F3.0"
      October42°F61°F50°F2.8"
      November29°F47°F37°F1.1"
      December17°F31°F24°F1.8"

      West Union 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.
      IndexWest UnionIowaNational
      Air quality index393950
      Pollution index530,4841,643,8365,066,862

      West Union air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality286
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      West Union air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly West Union temperature with heat index

      West Union monthly precipitation with daily maximum

      West Union monthly snow depth with daily maximum

      West Union monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Postville, IA2,2813530%
      Castalia, IA1883530%
      Maynard, IA5133922%
      Elgin, IA7373922%
      Jackson Junction, IA473922%
      West Union, IA2,5923922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Lavaca, AR2,5923628%
      Lewiston, NY2,5923922%
      Timberville, VA2,5913628%
      Gervais, OR2,5913236%
      Castle Rock, WA2,5931864%
      West Union, IA2,5923922%
      Source: The West Union, 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.