Annual Weather Averages in Sioux Falls
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Sioux Falls
High Temp: 84 °F
Low Temp: 8 °F
Mean Temp: 47 °F
Precipitation: 2.29"
Humidity: 71%
Dew Point: 37 °F
Wind: 16 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Sioux Falls
High Temp: 26 °F
Low Temp: 8 °F
Mean Temp: 18 °F
Precipitation: 0.68"
Humidity: 79%
Dew Point: 12 °F
Wind: 16 mph
Pressure: 30.13 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Sioux Falls
High Temp: 30 °F
Low Temp: 12 °F
Mean Temp: 21 °F
Precipitation: 0.91"
Humidity: 77%
Dew Point: 15 °F
Wind: 16 mph
Pressure: 30.13 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Sioux Falls
High Temp: 44 °F
Low Temp: 24 °F
Mean Temp: 34 °F
Precipitation: 1.59"
Humidity: 72%
Dew Point: 25 °F
Wind: 18 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Sioux Falls
High Temp: 58 °F
Low Temp: 35 °F
Mean Temp: 46 °F
Precipitation: 2.92"
Humidity: 64%
Dew Point: 34 °F
Wind: 19 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Sioux Falls
High Temp: 70 °F
Low Temp: 47 °F
Mean Temp: 58 °F
Precipitation: 3.63"
Humidity: 65%
Dew Point: 46 °F
Wind: 18 mph
Pressure: 29.95 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Sioux Falls
High Temp: 80 °F
Low Temp: 58 °F
Mean Temp: 69 °F
Precipitation: 4.02"
Humidity: 67%
Dew Point: 57 °F
Wind: 15 mph
Pressure: 29.90 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Sioux Falls
High Temp: 84 °F
Low Temp: 63 °F
Mean Temp: 74 °F
Precipitation: 3.12"
Humidity: 70%
Dew Point: 63 °F
Wind: 14 mph
Pressure: 29.94 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Sioux Falls
High Temp: 82 °F
Low Temp: 60 °F
Mean Temp: 71 °F
Precipitation: 3.48"
Humidity: 73%
Dew Point: 62 °F
Wind: 13 mph
Pressure: 29.97 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Sioux Falls
High Temp: 75 °F
Low Temp: 51 °F
Mean Temp: 63 °F
Precipitation: 2.69"
Humidity: 69%
Dew Point: 52 °F
Wind: 15 mph
Pressure: 29.99 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Sioux Falls
High Temp: 60 °F
Low Temp: 38 °F
Mean Temp: 49 °F
Precipitation: 2.32"
Humidity: 67%
Dew Point: 38 °F
Wind: 16 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Sioux Falls
High Temp: 44 °F
Low Temp: 24 °F
Mean Temp: 34 °F
Precipitation: 1.17"
Humidity: 72%
Dew Point: 26 °F
Wind: 16 mph
Pressure: 30.08 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Sioux Falls
High Temp: 31 °F
Low Temp: 13 °F
Mean Temp: 22 °F
Precipitation: 0.89"
Humidity: 79%
Dew Point: 16 °F
Wind: 16 mph
Pressure: 30.10 "Hg
Visibility: 8 mi