TODAY NOV25
TEMPERATURE39
HUMIDITY70
PRESSURE102300
WIND COND.310 24.1
  • 4638Tue
  • 4628Wed30%20%
  • 3719
  • 3321Fri
  • 3315Sat20%
daynightWeather update from Columbia, Columbia Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Harrisburg for July is 76.9 degrees
  • The lowest monthly average temperature in Harrisburg for January is 31.8 degrees
  • The most monthly precipitation in Harrisburg occurs in July with 10.4 inches
  • The air quality index in Harrisburg is 10% better than the national average
  • The pollution index in Harrisburg is 87% better than the national average

Compare Harrisburg, MO Weather

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      Harrisburg 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
      January24°F43°F32°F2.5"
      February26°F45°F34°F2.5"
      March36°F58°F45°F4.3"
      April46°F69°F57°F7.2"
      May55°F76°F65°F6.3"
      June64°F87°F75°F5.5"
      July66°F90°F77°F10.4"
      August63°F87°F75°F6.8"
      September58°F85°F71°F6.4"
      October49°F72°F59°F7.2"
      November36°F57°F45°F7.9"
      December29°F45°F36°F7.3"

      Harrisburg 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.
      IndexHarrisburgMissouriNational
      Air quality index389742
      Pollution index345,3821,630,2552,726,193

      Harrisburg air quality

      MeasurementTotal
      Days measured245
      Days with good air quality239
      Days with moderate air quality6
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Harrisburg temperature with heat index

      Harrisburg monthly precipitation with daily maximum

      Harrisburg monthly snow depth with daily maximum

      Harrisburg monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Armstrong, MO2623824.0%
      Columbia, MO122,6593824.0%
      Sturgeon, MO1,1023824.0%
      Clark, MO2523824.0%
      Fayette, MO2,6773824.0%
      Harrisburg, MO3403824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      St. Michael, AK3403138.0%
      Cazadero, CA3403432.0%
      Chilcoot-Vinton, CA340468.0%
      St. Marks, FL3404020.0%
      Ryan, IA3403922.0%
      Harrisburg, MO3403824.0%
      Source: The Harrisburg, MO 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.