Annual Weather Averages in Fort Smith
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Fort Smith
High Temp: 75 °F
Low Temp: -15 °F
Mean Temp: 30 °F
Precipitation: 1.15"
Humidity: 72%
Dew Point: 21 °F
Wind: 10 mph
Pressure: 29.97 "Hg
Visibility: 14 mi
January Climate & Weather Averages in Fort Smith
High Temp: 1 °F
Low Temp: -15 °F
Mean Temp: -7 °F
Precipitation: 0.73"
Humidity: 81%
Dew Point: -11 °F
Wind: 9 mph
Pressure: 30.09 "Hg
Visibility: 13 mi
February Climate & Weather Averages in Fort Smith
High Temp: 8 °F
Low Temp: -12 °F
Mean Temp: -2 °F
Precipitation: 0.53"
Humidity: 79%
Dew Point: -7 °F
Wind: 9 mph
Pressure: 30.12 "Hg
Visibility: 13 mi
March Climate & Weather Averages in Fort Smith
High Temp: 23 °F
Low Temp: -1 °F
Mean Temp: 11 °F
Precipitation: 0.60"
Humidity: 72%
Dew Point: 3 °F
Wind: 11 mph
Pressure: 30.09 "Hg
Visibility: 14 mi
April Climate & Weather Averages in Fort Smith
High Temp: 42 °F
Low Temp: 19 °F
Mean Temp: 31 °F
Precipitation: 0.58"
Humidity: 62%
Dew Point: 18 °F
Wind: 11 mph
Pressure: 30.03 "Hg
Visibility: 15 mi
May Climate & Weather Averages in Fort Smith
High Temp: 58 °F
Low Temp: 35 °F
Mean Temp: 47 °F
Precipitation: 1.02"
Humidity: 55%
Dew Point: 30 °F
Wind: 12 mph
Pressure: 29.99 "Hg
Visibility: 15 mi
June Climate & Weather Averages in Fort Smith
High Temp: 71 °F
Low Temp: 47 °F
Mean Temp: 59 °F
Precipitation: 1.71"
Humidity: 58%
Dew Point: 44 °F
Wind: 11 mph
Pressure: 29.88 "Hg
Visibility: 15 mi
July Climate & Weather Averages in Fort Smith
High Temp: 75 °F
Low Temp: 52 °F
Mean Temp: 63 °F
Precipitation: 2.09"
Humidity: 65%
Dew Point: 50 °F
Wind: 10 mph
Pressure: 29.86 "Hg
Visibility: 14 mi
August Climate & Weather Averages in Fort Smith
High Temp: 70 °F
Low Temp: 48 °F
Mean Temp: 59 °F
Precipitation: 2.28"
Humidity: 71%
Dew Point: 49 °F
Wind: 10 mph
Pressure: 29.87 "Hg
Visibility: 14 mi
September Climate & Weather Averages in Fort Smith
High Temp: 57 °F
Low Temp: 38 °F
Mean Temp: 48 °F
Precipitation: 1.69"
Humidity: 76%
Dew Point: 40 °F
Wind: 11 mph
Pressure: 29.88 "Hg
Visibility: 14 mi
October Climate & Weather Averages in Fort Smith
High Temp: 40 °F
Low Temp: 27 °F
Mean Temp: 34 °F
Precipitation: 1.06"
Humidity: 82%
Dew Point: 28 °F
Wind: 11 mph
Pressure: 29.91 "Hg
Visibility: 13 mi
November Climate & Weather Averages in Fort Smith
High Temp: 20 °F
Low Temp: 8 °F
Mean Temp: 14 °F
Precipitation: 0.85"
Humidity: 86%
Dew Point: 11 °F
Wind: 10 mph
Pressure: 29.96 "Hg
Visibility: 12 mi
December Climate & Weather Averages in Fort Smith
High Temp: 5 °F
Low Temp: -9 °F
Mean Temp: -2 °F
Precipitation: 0.63"
Humidity: 82%
Dew Point: -5 °F
Wind: 9 mph
Pressure: 30.02 "Hg
Visibility: 13 mi