TODAY APR01
TEMPERATURE39
HUMIDITY75
PRESSURE29.83
WIND COND.50 6.9
  • 5336Wed
  • 5442Thu
  • 5742Fri
  • 5540Sat
  • 6044Sun
daynightWeather update from Morristown Municipal at
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Summit 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
January26°F42°F34°F6.3"
February24°F42°F32°F4.9"
March31°F50°F40°F7.3"
April46°F67°F55°F5.0"
May56°F76°F65°F9.9"
June64°F83°F73°F8.3"
July71°F87°F78°F8.3"
August67°F84°F75°F7.8"
September61°F80°F70°F4.9"
October54°F72°F62°F6.3"
November38°F56°F46°F5.9"
December33°F46°F39°F5.8"

Did you know?

  • The highest monthly average temperature in Summit for July is 78 degrees.
  • The lowest monthly average temperature in Summit for February is 32 degrees.
  • The most monthly precipitation in Summit occurs in May with 9.9 inches.
  • The air quality index in Summit is 7% worse than the national average.
  • The pollution index in Summit is 153% worse than the national average.

Compare Summit, NJ Weather To Other Cities

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      Summit 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.
      IndexSummitNew JerseyNational
      Air quality index534550
      Pollution index12,837,2007,146,1325,066,862

      Summit air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality161
      Days with moderate air quality189
      Days w/ poor A.Q. for sensitive groups15
      Days with unhealthy air quality

      Summit air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.110%
      Carbon Tetrachloride0.050%
      Lead0.020%
      Mercury0.230%

      Average monthly Summit temperature with heat index

      Summit monthly precipitation with daily maximum

      Summit monthly snow depth with daily maximum

      Summit monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Wharton, NJ6,5863922%
      Mendham, NJ5,0123922%
      Mount Arlington, NJ5,2513922%
      White Meadow Lake, NJ9,1563922%
      Kenvil, NJ3,1263922%
      Summit, NJ21,895536%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      La Porte, IN21,8763138%
      Pace, FL21,9224020%
      South Euclid, OH21,8655510%
      West Carson, CA21,9297448%
      Sunny Isles Beach, FL21,9374118%
      Summit, NJ21,895536%
      Source: The Summit, 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.