TODAY MAR28
TEMPERATURE33
HUMIDITY51
PRESSURE101970
WIND COND.80 14.8
  • 5931Fri20%
  • 5133Sat
  • 5337Sun50%60%
  • 4929Mon80%60%
  • 4929Tue
daynightWeather update from Fort Dodge at
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Weather Quick Facts

  • The highest monthly average temperature in Barnum for July is 73.8 degrees
  • The lowest monthly average temperature in Barnum for January is 19.2 degrees
  • The most monthly precipitation in Barnum occurs in August with 11 inches
  • The air quality index in Barnum is 12% better than the national average
  • The pollution index in Barnum is 81% better than the national average

Compare Barnum, IA Weather

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      Barnum 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
      January11°F28°F19°F0.9"
      February13°F31°F21°F2.2"
      March28°F47°F36°F3.6"
      April39°F62°F49°F6.9"
      May50°F73°F60°F6.0"
      June60°F82°F70°F6.7"
      July64°F85°F74°F7.7"
      August61°F82°F71°F11.0"
      September53°F76°F64°F5.6"
      October41°F63°F51°F5.4"
      November29°F48°F38°F2.4"
      December16°F32°F23°F2.9"

      Barnum 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.
      IndexBarnumIowaNational
      Air quality index373942
      Pollution index517,6911,154,5352,726,193

      Barnum air quality information

      MeasurementTotal
      Days measured214
      Days with good air quality210
      Days with moderate air quality4
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Barnum air quality information

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

      Average monthly Barnum temperature with heat index

      Barnum monthly precipitation with daily maximum

      Barnum monthly snow depth with daily maximum

      Barnum monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Callender, IA4413726.0%
      Manson, IA1,7603726.0%
      Pioneer, IA223726.0%
      Knierim, IA573726.0%
      Clare, IA1443726.0%
      Barnum, IA3233726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Manalapan, FL3233628.0%
      Medora, IL323548.0%
      Stinesville, IN3234216.0%
      Montpelier, LA3233040.0%
      East New Market, MD3234118.0%
      Barnum, IA3233726.0%
      Source: The Barnum, 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.