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Key findings

  • The highest monthly average temperature in Jersey City for July is 78.8 degrees
  • The lowest monthly average temperature in Jersey City for January is 33.3 degrees
  • The most monthly precipitation in Jersey City occurs in June with 5.5 inches
  • The air quality index in Jersey City is 3% worse than the national average
  • The pollution index in Jersey City is 171% worse than the national average

Compare Jersey City, NJ Weather

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      Jersey City 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
      January24°F43°F33°F3.8"
      February25°F45°F34°F3.3"
      March32°F54°F42°F3.9"
      April43°F67°F54°F4.1"
      May53°F76°F63°F4.5"
      June63°F84°F73°F5.5"
      July69°F90°F79°F4.4"
      August67°F87°F77°F4.8"
      September60°F81°F70°F3.2"
      October49°F70°F59°F5.1"
      November38°F58°F48°F3.3"
      December31°F48°F39°F5.0"

      Jersey City 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.
      IndexJersey CityNew JerseyNational
      Air quality index514550
      Pollution index7,391,6207,246,8912,726,193

      Jersey City air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality169
      Days with moderate air quality180
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality0

      Jersey City air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.040%
      Carbon Tetrachloride0.040%
      Lead0.020%
      Mercury0.060%

      Average monthly Jersey City temperature with heat index

      Jersey City monthly precipitation with daily maximum

      Jersey City monthly snow depth with daily maximum

      Jersey City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Caldwell, NJ7,967512.0%
      North Arlington, NJ15,788512.0%
      Silver Lake CDP (Warren County), NJ320512.0%
      Colonia, NJ17,728512.0%
      Port Reading, NJ3,896512.0%
      Jersey City, NJ261,666512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fort Wayne, IN260,9544510.0%
      Chula Vista, CA260,5986428.0%
      Orlando, FL263,3063922.0%
      Kitchener, ON259,162n/a 
      Buffalo, NY258,9893922.0%
      Jersey City, NJ261,666512.0%
      Source: The Jersey City, 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.