TODAY NOV21
TEMPERATURE
HUMIDITY66
PRESSURE101830
WIND COND.320 20.5
  • 4427Fri
  • 4938Sat
  • 5935Sun
  • 4121Mon
  • 3723Tue
daynightWeather update from Kirksville, Kirksville Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Greencastle for July is 75.5 degrees
  • The lowest monthly average temperature in Greencastle for January is 26.2 degrees
  • The most monthly precipitation in Greencastle occurs in June with 6.9 inches
  • The air quality index in Greencastle is 3% better than the national average
  • The pollution index in Greencastle is 95% better than the national average

Compare Greencastle, MO Weather

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      Greencastle 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
      January17°F37°F26°F1.8"
      February19°F40°F29°F1.9"
      March32°F55°F42°F3.1"
      April42°F66°F53°F4.7"
      May52°F74°F62°F4.8"
      June62°F84°F72°F6.9"
      July65°F87°F76°F4.3"
      August63°F85°F73°F4.3"
      September55°F79°F66°F4.1"
      October44°F66°F54°F4.0"
      November33°F54°F42°F2.6"
      December22°F39°F30°F1.9"

      Greencastle 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.
      IndexGreencastleMissouriNational
      Air quality index419742
      Pollution index139,8651,630,2552,726,193

      Greencastle air quality

      MeasurementTotal
      Days measured241
      Days with good air quality208
      Days with moderate air quality33
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Greencastle temperature with heat index

      Greencastle monthly precipitation with daily maximum

      Greencastle monthly snow depth with daily maximum

      Greencastle monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Worthington, MO1122942.0%
      Pollock, MO533922.0%
      Unionville, MO1,8273922.0%
      Winigan, MO264118.0%
      Novinger, MO3334118.0%
      Greencastle, MO1764118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Glacier View, AK1763138.0%
      Point Lay, AK1763824.0%
      Alpine, AZ1764412.0%
      Little River, CA1763334.0%
      San Geronimo, CA1764020.0%
      Greencastle, MO1764118.0%
      Source: The Greencastle, 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.