TODAY SEP20
TEMPERATURE63
HUMIDITY100
PRESSURE30.16
WIND COND.70 4.7
  • 7466Fri
  • 7356Sat20%
  • 6954Sun
  • 6957Mon30%
  • 7163Tue40%40%
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 6% worse than the national average.
  • The pollution index in Summit is 153% worse than the national average.

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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.
Victory Gardens, NJ1,6233922%
Mendham, NJ5,0123922%
Wharton, NJ6,5863922%
Kenvil, NJ3,1263922%
Mount Arlington, NJ5,2513922%
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.