TODAY MAR02
TEMPERATURE50
HUMIDITY66
PRESSURE30.24
WIND COND.330 11.1
  • 5241Tue80%90%
  • 6137Wed
  • 6837Thu
  • 6439Fri30%
  • 6136Sat20%
daynightWeather update from St Clair County Airport at

Key findings

  • The highest monthly average temperature in Harpersville for July is 81 degrees
  • The lowest monthly average temperature in Harpersville for January is 45 degrees
  • The most monthly precipitation in Harpersville occurs in January with 13.9 inches
  • The air quality index in Harpersville is 24% better than the national average
  • The pollution index in Harpersville is 49% better than the national average

Compare Harpersville, AL Weather

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      Harpersville 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
      January35°F58°F45°F13.9"
      February38°F63°F49°F5.6"
      March46°F71°F57°F4.5"
      April53°F79°F65°F5.0"
      May60°F84°F71°F8.2"
      June69°F90°F78°F8.1"
      July71°F93°F81°F3.8"
      August71°F92°F80°F3.8"
      September65°F89°F75°F6.2"
      October53°F81°F66°F8.3"
      November43°F69°F55°F7.5"
      December41°F62°F51°F5.6"

      Harpersville 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.
      IndexHarpersvilleAlabamaNational
      Air quality index383750
      Pollution index2,562,3604,051,2235,066,862

      Harpersville air quality information

      MeasurementTotal
      Days measured114
      Days with good air quality88
      Days with moderate air quality26
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Harpersville air quality information

      PollutantTotal
      Arsenic0.005%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.030%
      Mercury0.040%

      Average monthly Harpersville temperature with heat index

      Harpersville monthly precipitation with daily maximum

      Harpersville monthly snow depth with daily maximum

      Harpersville monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Mignon, AL1,0323824%
      Vincent, AL2,1033824%
      Bon Air, AL1043824%
      Oak Grove, AL5623824%
      Childersburg, AL5,0623824%
      Harpersville, AL1,7603824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Rolling Hills, CA1,7607244%
      Crimora, VA1,7603628%
      Houghton, NY1,7603922%
      Eagle, WI1,7603726%
      Mayer, AZ1,7594314%
      Harpersville, AL1,7603824%
      Source: The Harpersville, AL 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.