TODAY MAY29
TEMPERATURE57
HUMIDITY62
PRESSURE30.06
WIND COND.330 9.2
  • 7251Fri
  • 7055Sat
  • 7259Sun
  • 8267Mon20%
  • 8970Tue
daynightWeather update from Lamoni, Lamoni Municipal Airport at
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Decatur 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
January17°F33°F24°F2.8"
February20°F37°F27°F3.3"
March33°F55°F43°F3.3"
April42°F63°F51°F6.4"
May53°F74°F63°F7.9"
June63°F82°F72°F9.5"
July66°F87°F76°F3.7"
August67°F87°F76°F10.2"
September57°F79°F67°F7.1"
October46°F66°F55°F5.5"
November32°F52°F41°F3.2"
December18°F33°F25°F3.4"

Did you know?

  • The highest monthly average temperature in Decatur City for July is 76 degrees.
  • The lowest monthly average temperature in Decatur City for January is 24 degrees.
  • The most monthly precipitation in Decatur City occurs in August with 10.2 inches.
  • The air quality index in Decatur City is 18% better than the national average.
  • The pollution index in Decatur City is 87% better than the national average.

Compare Decatur City, IA Weather To Other Cities

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      Decatur 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.
      IndexDecatur CityIowaNational
      Air quality index413950
      Pollution index648,8291,643,8365,066,862

      Decatur City air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality267
      Days with moderate air quality98
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Decatur City air quality information

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

      Average monthly Decatur City temperature with heat index

      Decatur City monthly precipitation with daily maximum

      Decatur City monthly snow depth with daily maximum

      Decatur City monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Garden Grove, IA1834118%
      Leon, IA1,9954118%
      Van Wert, IA1904118%
      Beaconsfield, IA384118%
      Grand River, IA2274118%
      Decatur City, IA2054118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Stella, NE2054510%
      Indian Beach, NC2053138%
      Powhatan, VA2053922%
      Atlanta, KS2053922%
      Seaton, IL2055612%
      Decatur City, IA2054118%
      Source: The Decatur City, 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.