Annual Weather Averages in Lee's Summit Municipal Airport
Lee's Summit Municipal Airport is 21 miles from Harrisonville, so the actual climate in Harrisonville can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Harrisonville
High Temp: 88 °F
Low Temp: 21 °F
Mean Temp: 55 °F
Precipitation: 3.26"
Humidity: 66%
Dew Point: 44 °F
Wind: 15 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Harrisonville
High Temp: 39 °F
Low Temp: 21 °F
Mean Temp: 30 °F
Precipitation: 1.24"
Humidity: 68%
Dew Point: 21 °F
Wind: 16 mph
Pressure: 30.14 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Harrisonville
High Temp: 44 °F
Low Temp: 25 °F
Mean Temp: 34 °F
Precipitation: 1.59"
Humidity: 65%
Dew Point: 24 °F
Wind: 16 mph
Pressure: 30.12 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Harrisonville
High Temp: 56 °F
Low Temp: 35 °F
Mean Temp: 45 °F
Precipitation: 2.52"
Humidity: 62%
Dew Point: 32 °F
Wind: 17 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Harrisonville
High Temp: 66 °F
Low Temp: 45 °F
Mean Temp: 55 °F
Precipitation: 4.07"
Humidity: 61%
Dew Point: 42 °F
Wind: 18 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Harrisonville
High Temp: 75 °F
Low Temp: 55 °F
Mean Temp: 65 °F
Precipitation: 5.73"
Humidity: 67%
Dew Point: 54 °F
Wind: 15 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Harrisonville
High Temp: 84 °F
Low Temp: 65 °F
Mean Temp: 74 °F
Precipitation: 5.13"
Humidity: 68%
Dew Point: 64 °F
Wind: 14 mph
Pressure: 29.91 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Harrisonville
High Temp: 88 °F
Low Temp: 69 °F
Mean Temp: 78 °F
Precipitation: 4.30"
Humidity: 67%
Dew Point: 67 °F
Wind: 13 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Harrisonville
High Temp: 87 °F
Low Temp: 67 °F
Mean Temp: 77 °F
Precipitation: 4.27"
Humidity: 68%
Dew Point: 66 °F
Wind: 12 mph
Pressure: 29.97 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Harrisonville
High Temp: 79 °F
Low Temp: 59 °F
Mean Temp: 69 °F
Precipitation: 3.33"
Humidity: 67%
Dew Point: 58 °F
Wind: 13 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Harrisonville
High Temp: 67 °F
Low Temp: 47 °F
Mean Temp: 57 °F
Precipitation: 3.18"
Humidity: 66%
Dew Point: 46 °F
Wind: 15 mph
Pressure: 30.03 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Harrisonville
High Temp: 54 °F
Low Temp: 35 °F
Mean Temp: 45 °F
Precipitation: 2.20"
Humidity: 65%
Dew Point: 33 °F
Wind: 16 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Harrisonville
High Temp: 43 °F
Low Temp: 26 °F
Mean Temp: 35 °F
Precipitation: 1.49"
Humidity: 69%
Dew Point: 25 °F
Wind: 15 mph
Pressure: 30.11 "Hg
Visibility: 9 mi