TODAY MAR19
TEMPERATURE30
HUMIDITY60
PRESSURE102030
WIND COND.230 13
  • 5537Tue
  • 5523Wed
  • 4432Thu
  • 5136Fri30%50%
  • 5128Sat
daynightWeather update from Cincinnati, Cincinnati Municipal Airport Lunken Field at
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Weather Quick Facts

  • The highest monthly average temperature in Dayton for July is 75.4 degrees
  • The lowest monthly average temperature in Dayton for January is 32.4 degrees
  • The most monthly precipitation in Dayton occurs in April with 4.9 inches
  • The air quality index in Dayton is 28% worse than the national average
  • The pollution index in Dayton is 778% worse than the national average

Compare Dayton, KY 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
      January24°F42°F32°F2.7"
      February24°F44°F34°F2.6"
      March34°F57°F44°F4.1"
      April43°F69°F56°F4.9"
      May52°F77°F64°F3.9"
      June61°F85°F73°F4.5"
      July65°F87°F75°F4.7"
      August63°F87°F75°F2.7"
      September56°F81°F67°F3.3"
      October45°F69°F56°F3.6"
      November33°F57°F44°F2.9"
      December28°F46°F36°F3.7"

      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.
      IndexDaytonKentuckyNational
      Air quality index544542
      Pollution index23,937,2001,369,1312,726,193

      Dayton air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality139
      Days with moderate air quality206
      Days w/ poor A.Q. for sensitive groups20
      Days with unhealthy air quality0

      Dayton air quality information

      PollutantTotal
      Arsenic0.500%
      Benzene0.180%
      Carbon Tetrachloride0.110%
      Lead0.250%
      Mercury0.060%

      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.
      California, KY82548.0%
      Crescent Springs, KY4,062548.0%
      Park Hills, KY2,993548.0%
      Forestville, OH10,648548.0%
      Sherwood, OH3,277548.0%
      Dayton, KY5,550548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Saranac Lake, NY5,5480100.0%
      Twin Lakes, CA5,5463530.0%
      Cambria, CA5,555468.0%
      Muleshoe, TX5,5552550.0%
      Waipio Acres, HI5,5563040.0%
      Dayton, KY5,550548.0%
      Source: The Dayton, KY 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.