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Key findings

  • The highest monthly average temperature in Mount Holly for July is 79 degrees
  • The lowest monthly average temperature in Mount Holly for January is 42 degrees
  • The most monthly precipitation in Mount Holly occurs in December with 4.7 inches
  • The air quality index in Mount Holly is 1% better than the national average
  • The pollution index in Mount Holly is 173% worse than the national average

Compare Mount Holly, NC Weather

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      Mount Holly 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
      January30°F55°F42°F3.5"
      February32°F58°F45°F2.9"
      March39°F67°F53°F4.2"
      April47°F76°F62°F3.9"
      May56°F82°F69°F3.8"
      June65°F89°F77°F4.2"
      July68°F92°F79°F3.6"
      August68°F91°F79°F4.2"
      September62°F85°F73°F3.8"
      October48°F76°F62°F3.0"
      November37°F66°F51°F3.5"
      December34°F58°F46°F4.7"

      Mount Holly 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.
      IndexMount HollyNorth CarolinaNational
      Air quality index493550
      Pollution index13,834,8003,848,9885,066,862

      Mount Holly air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality200
      Days with moderate air quality147
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality0

      Mount Holly air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.170%
      Carbon Tetrachloride0.050%
      Lead0.030%
      Mercury0.100%

      Average monthly Mount Holly temperature with heat index

      Mount Holly monthly precipitation with daily maximum

      Mount Holly monthly snow depth with daily maximum

      Mount Holly monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Westport, NC3,9233628%
      High Shoals, NC7033628%
      Spencer Mountain, NC03628%
      Iron Station, NC7193628%
      Stanley, NC3,6333628%
      Mount Holly, NC14,058492%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Fort Campbell North, KY14,0544020%
      Red Bluff, CA14,0654118%
      Mount Washington, KY14,088492%
      Whitefish Bay, WI14,0884412%
      Rendon, TX14,025512%
      Mount Holly, NC14,058492%
      Source: The Mount Holly, NC 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.