TODAY APR21
TEMPERATURE61
HUMIDITY50
PRESSURE29.89
WIND COND.180 16.6
  • 7033Wed20%40%
  • 5236Thu
  • 6342Fri
  • 6849Sat70%
  • 6141Sun70%
daynightWeather update from Trenton, Mercer County Airport at

Key findings

  • The highest monthly average temperature in Rossmoor for July is 77 degrees
  • The lowest monthly average temperature in Rossmoor for January is 32.7 degrees
  • The most monthly precipitation in Rossmoor occurs in June with 5.3 inches
  • The air quality index in Rossmoor is 18% better than the national average
  • The pollution index in Rossmoor is 26% better than the national average

Compare Rossmoor, NJ Weather

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      Rossmoor 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"

      Rossmoor 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.
      IndexRossmoorNew JerseyNational
      Air quality index414550
      Pollution index3,756,2707,146,1325,066,862

      Rossmoor air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality280
      Days with moderate air quality83
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Rossmoor air quality information

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

      Average monthly Rossmoor temperature with heat index

      Rossmoor monthly precipitation with daily maximum

      Rossmoor monthly snow depth with daily maximum

      Rossmoor monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Clyde, NJ2434118%
      Griggstown, NJ7924118%
      Kingston, NJ1,3834118%
      Rocky Hill, NJ6184118%
      Franklin Center, NJ4,7014118%
      Rossmoor, NJ2,9044118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Fairchild AFB, WA2,9044314%
      Follansbee, WV2,905468%
      Fairfield, TX2,9054118%
      Gladwin, MI2,9032648%
      Jones, OK2,902484%
      Rossmoor, NJ2,9044118%
      Source: The Rossmoor, 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.