TODAY APR25
TEMPERATURE47
HUMIDITY58
PRESSURE102780
WIND COND.80 20.5
  • 7259Fri30%
  • 8063Sat30%20%
  • 8263Sun
  • 8161Mon30%60%
  • 7553Tue60%30%
daynightWeather update from Butler County Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mason for August is 77.4 degrees
  • The lowest monthly average temperature in Mason for February is 29.2 degrees
  • The most monthly precipitation in Mason occurs in October with 8.1 inches
  • The air quality index in Mason is 28% worse than the national average
  • The pollution index in Mason is 168% worse than the national average

Compare Mason, OH Weather

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      Mason 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
      January27°F43°F35°F7.9"
      February20°F40°F29°F3.7"
      March33°F56°F43°F5.0"
      April40°F66°F53°F5.3"
      May48°F77°F63°F4.3"
      June61°F86°F73°F6.6"
      July63°F86°F74°F5.1"
      August65°F91°F77°F5.3"
      September55°F85°F69°F3.7"
      October46°F71°F57°F8.1"
      November33°F57°F45°F6.9"
      December25°F42°F33°F4.7"

      Mason 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.
      IndexMasonOhioNational
      Air quality index544042
      Pollution index7,300,4904,472,3862,726,193

      Mason 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

      Mason air quality information

      PollutantTotal
      Arsenic0.520%
      Benzene0.070%
      Carbon Tetrachloride0.040%
      Lead0.240%
      Mercury0.050%

      Average monthly Mason temperature with heat index

      Mason monthly precipitation with daily maximum

      Mason monthly snow depth with daily maximum

      Mason monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Corwin, OH4344314.0%
      Waynesville, OH3,1354314.0%
      Butlerville, OH2164314.0%
      Lebanon, OH20,7814314.0%
      Pleasant Plain, OH1974314.0%
      Mason, OH33,592548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Central Islip, NY33,5914314.0%
      Deer Park, TX33,599524.0%
      Huntington Station, NY33,6124314.0%
      DeLand, FL33,6203726.0%
      Myrtle Beach, SC33,6381472.0%
      Mason, OH33,592548.0%
      Source: The Mason, OH 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.