TODAY OCT09
TEMPERATURE77
HUMIDITY30
PRESSURE101690
WIND COND.300 7.6
  • 8456Thu
  • 8349Fri
  • 7344Sat
  • 6135Sun
  • 5528
daynightWeather update from Webster City Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Dayton for July is 73.8 degrees
  • The lowest monthly average temperature in Dayton for January is 19.9 degrees
  • The most monthly precipitation in Dayton occurs in July with 4 inches
  • The air quality index in Dayton is 12% better than the national average
  • The pollution index in Dayton is 81% better than the national average

Compare Dayton, IA Weather

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      Dayton 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°F29°F20°F0.4"
      February14°F30°F21°F1.8"
      March29°F46°F36°F1.2"
      April39°F62°F49°F3.6"
      May50°F73°F61°F3.9"
      June61°F83°F71°F2.1"
      July63°F85°F74°F4.0"
      August61°F82°F71°F1.6"
      September53°F76°F64°F2.2"
      October42°F63°F51°F3.0"
      November29°F48°F38°F2.8"
      December17°F32°F24°F0.7"

      Dayton 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.
      IndexDaytonIowaNational
      Air quality index373942
      Pollution index517,6911,154,5352,726,193

      Dayton air quality

      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

      Air quality details

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

      Average monthly Dayton temperature with heat index

      Dayton monthly precipitation with daily maximum

      Dayton monthly snow depth with daily maximum

      Dayton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Duncombe, IA3413726.0%
      Dana, IA233726.0%
      Stratford, IA6693726.0%
      Harcourt, IA2513726.0%
      Fraser, IA1093726.0%
      Dayton, IA8393726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Tulelake, CA8392942.0%
      Horseshoe Bend, ID8393628.0%
      Brownstown, IL8394020.0%
      Ventress, LA8394510.0%
      Middletown, MI8393824.0%
      Dayton, IA8393726.0%
      Source: The Dayton, 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.