TODAY MAY12
TEMPERATURE68
HUMIDITY81
PRESSURE30.1
WIND COND.
  • 6752Wed80%30%
  • 6748Thu20%
  • 7550Fri
  • 7956Sat
  • 8260Sun
daynightWeather update from Alabaster, Shelby County Airport at

Key findings

  • The highest monthly average temperature in Shelby for July is 79.5 degrees
  • The lowest monthly average temperature in Shelby for January is 45.3 degrees
  • The most monthly precipitation in Shelby occurs in March with 6 inches
  • The air quality index in Shelby is 7% worse than the national average
  • The pollution index in Shelby is 87% better than the national average

Compare Shelby, AL Weather

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      Shelby 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
      January36°F57°F45°F5.1"
      February38°F60°F48°F5.7"
      March46°F69°F56°F6.0"
      April53°F77°F64°F5.1"
      May61°F82°F71°F4.2"
      June69°F90°F78°F4.2"
      July71°F91°F80°F5.2"
      August71°F91°F79°F5.4"
      September66°F86°F75°F3.8"
      October54°F77°F64°F3.3"
      November43°F67°F54°F4.1"
      December40°F59°F48°F5.8"

      Shelby 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.
      IndexShelbyAlabamaNational
      Air quality index533750
      Pollution index643,9234,051,2235,066,862

      Shelby air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality150
      Days with moderate air quality197
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality0

      Shelby air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.004%
      Lead0.002%
      Mercury0.000%

      Average monthly Shelby temperature with heat index

      Shelby monthly precipitation with daily maximum

      Shelby monthly snow depth with daily maximum

      Shelby monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Fayetteville, AL1,4373824%
      Harpersville, AL1,7603824%
      Wilsonville, AL2,1193824%
      Bon Air, AL1043824%
      Talladega Springs, AL2733824%
      Shelby, AL1,374536%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Ramsey, IL1,3744020%
      Fruitport, MI1,3743824%
      Dickson, OK1,3744314%
      Charlestown, NH1,3743432%
      Spring Valley, AZ1,3744314%
      Shelby, AL1,374536%
      Source: The Shelby, 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.