TODAY NOV22
TEMPERATURE35
HUMIDITY92
PRESSURE99390
WIND COND. 9.4
  • 3533Fri100%70%
  • 4735Sat
  • 4829Sun
  • 5138Mon
  • 5231Tue40%
daynightWeather update from Andover, Aeroflex-Andover Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mountain Lake for July is 72.9 degrees
  • The lowest monthly average temperature in Mountain Lake for January is 28.4 degrees
  • The most monthly precipitation in Mountain Lake occurs in July with 6.2 inches
  • The air quality index in Mountain Lake is 19% better than the national average
  • The pollution index in Mountain Lake is 2% worse than the national average

Compare Mountain Lake, NJ Weather

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      Mountain Lake 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°F38°F28°F5.1"
      February20°F40°F29°F3.4"
      March29°F50°F38°F3.8"
      April39°F64°F51°F4.0"
      May49°F73°F61°F4.1"
      June58°F80°F68°F5.3"
      July63°F85°F73°F6.2"
      August60°F82°F70°F5.8"
      September54°F76°F64°F4.5"
      October43°F65°F53°F4.8"
      November33°F53°F43°F2.9"
      December27°F43°F34°F4.8"

      Mountain Lake 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.
      IndexMountain LakeNew JerseyNational
      Air quality index344542
      Pollution index2,789,2907,246,8912,726,193

      Mountain Lake air quality

      MeasurementTotal
      Days measured349
      Days with good air quality340
      Days with moderate air quality9
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.040%
      Carbon Tetrachloride0.010%
      Lead0.020%
      Mercury0.030%

      Average monthly Mountain Lake temperature with heat index

      Mountain Lake monthly precipitation with daily maximum

      Mountain Lake monthly snow depth with daily maximum

      Mountain Lake monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Asbury, NJ2073432.0%
      Hampton, NJ1,1823432.0%
      Port Colden, NJ823432.0%
      Andover, NJ6753432.0%
      Long Valley, NJ2,3273432.0%
      Mountain Lake, NJ5653432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Carnelian Bay, CA5654412.0%
      Mountain View, CO5655816.0%
      German Valley, IL5654216.0%
      Etna Green, IN5653726.0%
      Richmond, LA5653432.0%
      Mountain Lake, NJ5653432.0%
      Source: The Mountain Lake, 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.