TODAY DEC26
TEMPERATURE18
HUMIDITY80
PRESSURE103250
WIND COND.30 9.4
  • 3827Fri
  • 4237Sat70%80%
  • 5644Sun70%80%
  • 5533Mon70%30%
  • 5038Tue60%
daynightWeather update from Allentown, Lehigh Valley International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Stewartsville for July is 75.4 degrees
  • The lowest monthly average temperature in Stewartsville for January is 29.9 degrees
  • The most monthly precipitation in Stewartsville occurs in July with 6.4 inches
  • The air quality index in Stewartsville is equal to the national average
  • The pollution index in Stewartsville is 16% worse than the national average

Compare Stewartsville, NJ Weather

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      Stewartsville 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
      January20°F40°F30°F3.5"
      February20°F42°F31°F3.1"
      March28°F53°F40°F3.4"
      April38°F67°F52°F3.9"
      May48°F76°F62°F3.7"
      June58°F84°F71°F5.5"
      July63°F88°F75°F6.4"
      August61°F85°F73°F5.0"
      September54°F80°F66°F4.5"
      October43°F68°F55°F5.4"
      November33°F56°F44°F2.8"
      December26°F45°F35°F4.9"

      Stewartsville 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.
      IndexStewartsvilleNew JerseyNational
      Air quality index424542
      Pollution index3,167,1107,246,8912,726,193

      Stewartsville air quality

      MeasurementTotal
      Days measured365
      Days with good air quality275
      Days with moderate air quality86
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.040%
      Carbon Tetrachloride0.010%
      Lead0.030%
      Mercury0.001%

      Average monthly Stewartsville temperature with heat index

      Stewartsville monthly precipitation with daily maximum

      Stewartsville monthly snow depth with daily maximum

      Stewartsville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Glen Gardner, NJ1,5543432.0%
      New Village, NJ5393432.0%
      Beattystown, NJ4,5503432.0%
      Vienna, NJ1,0183432.0%
      Bangor, PA5,2293432.0%
      Stewartsville, NJ5494216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Leslie, AR5493628.0%
      Smelterville, ID5494314.0%
      St. Leonard, MD5494118.0%
      Terry, MT5493334.0%
      Deercroft, NC5494118.0%
      Stewartsville, NJ5494216.0%
      Source: The Stewartsville, 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.