TODAY MAY31
TEMPERATURE67
HUMIDITY36
PRESSURE30.08
WIND COND.310 12.8
  • 7252Mon
  • 7459Tue40%
  • 8666Wed30%30%
  • 8562Thu30%
  • 8563Fri
daynightWeather update from Trenton, Mercer County Airport at
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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
January25°F42°F33°F3.3"
February25°F43°F34°F2.4"
March33°F53°F42°F3.4"
April43°F66°F54°F3.8"
May52°F75°F63°F3.9"
June62°F83°F72°F5.3"
July67°F88°F77°F5.1"
August65°F85°F75°F4.7"
September59°F79°F68°F3.5"
October48°F68°F57°F4.2"
November37°F57°F46°F2.9"
December31°F47°F38°F4.3"

Did you know?

  • The highest monthly average temperature in Dayton for July is 77 degrees.
  • The lowest monthly average temperature in Dayton for January is 33 degrees.
  • The most monthly precipitation in Dayton occurs in June with 5.3 inches.
  • The air quality index in Dayton is 20% better than the national average.
  • The pollution index in Dayton is 26% better than the national average.

Compare Dayton, NJ Weather To Other Cities

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      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.
      IndexDaytonNew JerseyNational
      Air quality index404550
      Pollution index3,756,2707,146,1325,066,862

      Dayton air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality257
      Days with moderate air quality106
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality

      Dayton air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.040%
      Carbon Tetrachloride0.010%
      Lead0.100%
      Mercury0.001%

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Belle Mead, NJ1964020%
      Bradley Gardens, NJ14,4134020%
      East Franklin, NJ7,5094020%
      Englishtown, NJ2,1894020%
      Franklin Park, NJ15,4544020%
      Dayton, NJ7,3084020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Dayton, TN7,308198%
      Corbin, KY7,3063628%
      Hastings, MI7,3123922%
      Summit View, WA7,3123138%
      Tell City, IN7,3134020%
      Dayton, NJ7,3084020%
      Source: The Dayton, NJ 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.