TODAY NOV21
TEMPERATURE47
HUMIDITY97
PRESSURE99970
WIND COND.330 7.6
  • 4433Fri40%40%
  • 5038Sat20%
  • 5233Sun
  • 5641Mon
  • 5834Tue
daynightWeather update from Somerville, Somerset Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Helmetta for July is 78.1 degrees
  • The lowest monthly average temperature in Helmetta for February is 32.4 degrees
  • The most monthly precipitation in Helmetta occurs in May with 9.9 inches
  • The air quality index in Helmetta is 3% better than the national average
  • The pollution index in Helmetta is 38% worse than the national average

Compare Helmetta, NJ Weather

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      Helmetta 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"

      Helmetta 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.
      IndexHelmettaNew JerseyNational
      Air quality index414542
      Pollution index3,756,2707,246,8912,726,193

      Helmetta air quality

      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

      Air quality details

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

      Average monthly Helmetta temperature with heat index

      Helmetta monthly precipitation with daily maximum

      Helmetta monthly snow depth with daily maximum

      Helmetta monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Franklin Park, NJ12,7384118.0%
      Kendall Park, NJ9,8524118.0%
      Princeton, NJ31,1614118.0%
      Bound Brook, NJ10,2544118.0%
      Manville, NJ10,1934118.0%
      Helmetta, NJ2,2324118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Altamont, IL2,2314020.0%
      Bayou L'Ourse, LA2,2314118.0%
      East Uniontown, PA2,2313628.0%
      Cedar Grove, WI2,2313824.0%
      Saint-Damien, QC2,231n/a 
      Helmetta, NJ2,2324118.0%
      Source: The Helmetta, 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.