TODAY NOV22
TEMPERATURE39
HUMIDITY89
PRESSURE99700
WIND COND.270 16.6
  • 4333Fri60%60%
  • 5138Sat
  • 5331Sun
  • 5742Mon
  • 5733Tue30%
daynightWeather update from Trenton, Mercer County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mercerville for July is 77 degrees
  • The lowest monthly average temperature in Mercerville for January is 32.7 degrees
  • The most monthly precipitation in Mercerville occurs in June with 5.3 inches
  • The air quality index in Mercerville is 3% better than the national average
  • The pollution index in Mercerville is 22% worse than the national average

Compare Mercerville, NJ Weather

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      Mercerville 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
      January25°F42°F33°F3.3"
      February25°F43°F34°F2.4"
      March33°F53°F42°F3.4"
      April43°F66°F54°F3.8"
      May52°F75°F63°F3.9"
      June62°F83°F72°F5.3"
      July67°F88°F77°F5.1"
      August65°F85°F75°F4.7"
      September59°F79°F68°F3.5"
      October48°F68°F57°F4.2"
      November37°F57°F46°F2.9"
      December31°F47°F38°F4.3"

      Mercerville 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.
      IndexMercervilleNew JerseyNational
      Air quality index414542
      Pollution index3,313,9207,246,8912,726,193

      Mercerville 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
      Arsenic0.350%
      Benzene0.020%
      Carbon Tetrachloride0.004%
      Lead0.350%
      Mercury0.340%

      Average monthly Mercerville temperature with heat index

      Mercerville monthly precipitation with daily maximum

      Mercerville monthly snow depth with daily maximum

      Mercerville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Blawenburg, NJ994118.0%
      Griggstown, NJ8584118.0%
      Kendall Park, NJ9,8524118.0%
      Pleasant Plains, NJ6274118.0%
      Stockton, NJ4724118.0%
      Mercerville, NJ12,7834118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Verde Village, AZ12,7804314.0%
      Riviera Beach, MD12,780468.0%
      McComb, MS12,7883040.0%
      Miller Place, NY12,7754314.0%
      Lindsay, CA12,7936632.0%
      Mercerville, NJ12,7834118.0%
      Source: The Mercerville, 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.