TODAY AUG19
TEMPERATURE87
HUMIDITY46
PRESSURE29.98
WIND COND.
  • 8668Sun50%
  • 7863Mon80%60%
  • 7957Tue
  • 8057Wed
  • 8261Thu
daynightWeather update from Kirksville, Kirksville Regional Airport at

Greencastle Average Weather

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"

Did you know?

  • The highest monthly average temperature in Greencastle for July is 76 degrees.
  • The lowest monthly average temperature in Greencastle for January is 26 degrees.
  • The most monthly precipitation in Greencastle occurs in June with 6.9 inches.
  • The air quality index in Greencastle is 31% better than the national average.
  • The pollution index in Greencastle is 97% better than the national average.

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Compare Greencastle, MO Weather To Other Cities

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 index349750
Pollution index139,8652,360,5665,066,862

Greencastle air quality information

MeasurementTotal
Days measured304
Days with good air quality296
Days with moderate air quality8
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Greencastle air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Green City, MO7093432%
Milan, MO2,0553432%
Winigan, MO913432%
Novinger, MO3833432%
Worthington, MO2004020%
Greencastle, MO3343432%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Valley Grove, WV334476%
Donaldson, AR3343138%
Granjeno, TX3343628%
Zihlman, MD3343236%
Jeff, KY3343628%
Greencastle, MO3343432%
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.