TODAY MAR19
TEMPERATURE
HUMIDITY58
PRESSURE101490
WIND COND.200 13
  • 6633
  • 5031Wed
  • 4736Thu
  • 5627Fri50%30%
  • 4732Sat40%
daynightWeather update from Chillicothe, Chillicothe Agri-Science Center at
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Weather Quick Facts

  • The highest monthly average temperature in Sumner for August is 77.7 degrees
  • The lowest monthly average temperature in Sumner for December is 28.1 degrees
  • The most monthly precipitation in Sumner occurs in June with 11 inches
  • The air quality index in Sumner is 10% better than the national average
  • The pollution index in Sumner is 81% better than the national average

Compare Sumner, MO Weather

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      Sumner 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
      January21°F39°F28°F4.0"
      February24°F44°F31°F4.7"
      March36°F59°F46°F8.0"
      April43°F66°F54°F4.6"
      May55°F78°F65°F4.8"
      June64°F85°F74°F11.0"
      July66°F89°F77°F3.6"
      August68°F91°F78°F9.7"
      September58°F84°F69°F5.8"
      October48°F69°F57°F8.3"
      November33°F57°F44°F2.5"
      December21°F37°F28°F4.6"

      Sumner 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.
      IndexSumnerMissouriNational
      Air quality index389742
      Pollution index527,9761,630,2552,726,193

      Sumner air quality information

      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

      Sumner air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.003%
      Mercury0.002%

      Average monthly Sumner temperature with heat index

      Sumner monthly precipitation with daily maximum

      Sumner monthly snow depth with daily maximum

      Sumner monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Laclede, MO3223824.0%
      Mendon, MO2713824.0%
      Meadville, MO5593824.0%
      Bosworth, MO1733824.0%
      Rothville, MO473824.0%
      Sumner, MO1173824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Primrose, AK1173138.0%
      Bryce, AZ117476.0%
      Pine Lake, AZ1171374.0%
      Milford, CA117468.0%
      Matlock, IA1173628.0%
      Sumner, MO1173824.0%
      Source: The Sumner, 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.