TODAY NOV22
TEMPERATURE33
HUMIDITY72
PRESSURE102370
WIND COND.
  • 4629Fri
  • 5543Sat
  • 6232Sun
  • 4223Mon
  • 4226Tue
daynightWeather update from St. Joseph, Rosecrans Memorial Airport at
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Weather Quick Facts

  • The highest monthly average temperature in De Kalb for July is 78.2 degrees
  • The lowest monthly average temperature in De Kalb for January is 27.5 degrees
  • The most monthly precipitation in De Kalb occurs in June with 5.2 inches
  • The air quality index in De Kalb is 2% worse than the national average
  • The pollution index in De Kalb is 92% better than the national average

Compare De Kalb, MO Weather

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      De Kalb 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
      January18°F40°F27°F0.6"
      February20°F43°F31°F1.1"
      March34°F58°F44°F2.3"
      April44°F68°F55°F4.1"
      May54°F77°F65°F5.1"
      June65°F87°F75°F5.2"
      July68°F89°F78°F3.6"
      August65°F87°F75°F4.1"
      September56°F81°F68°F3.7"
      October44°F69°F55°F3.6"
      November32°F56°F43°F1.7"
      December21°F41°F30°F1.6"

      De Kalb 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.
      IndexDe KalbMissouriNational
      Air quality index439742
      Pollution index229,5501,630,2552,726,193

      De Kalb air quality

      MeasurementTotal
      Days measured365
      Days with good air quality283
      Days with moderate air quality82
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly De Kalb temperature with heat index

      De Kalb monthly precipitation with daily maximum

      De Kalb monthly snow depth with daily maximum

      De Kalb monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Wathena, KS1,5204314.0%
      Atchison, KS10,5614314.0%
      Bendena, KS1264314.0%
      Agency, MO7044314.0%
      Camden Point, MO4984314.0%
      De Kalb, MO4404314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Perdido Beach, AL4404118.0%
      Repton, AL4403726.0%
      Maynard, AR4402648.0%
      Cannondale, CT4404314.0%
      Harrison, GA440476.0%
      De Kalb, MO4404314.0%
      Source: The De Kalb, 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.