Currently: 18 °F. Light snow. Mostly cloudy. (Weather station: Yankton Weather Reporting System, USA). See more current weatherAnnual Weather Averages Near Yankton
Averages are for Yankton Weather Reporting System, which is 3 miles from Yankton.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Yankton
High Temp: 87 °F
Low Temp: 11 °F
Mean Temp: 49 °F
Precipitation: 2.36"
Humidity: 69%
Dew Point: 37 °F
Wind: 19 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Yankton
High Temp: 30 °F
Low Temp: 11 °F
Mean Temp: 21 °F
Precipitation: 0.68"
Humidity: 74%
Dew Point: 14 °F
Wind: 20 mph
Pressure: 30.11 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Yankton
High Temp: 34 °F
Low Temp: 13 °F
Mean Temp: 24 °F
Precipitation: 0.92"
Humidity: 73%
Dew Point: 16 °F
Wind: 20 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Yankton
High Temp: 47 °F
Low Temp: 24 °F
Mean Temp: 36 °F
Precipitation: 1.67"
Humidity: 69%
Dew Point: 26 °F
Wind: 21 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Yankton
High Temp: 60 °F
Low Temp: 35 °F
Mean Temp: 47 °F
Precipitation: 3.32"
Humidity: 63%
Dew Point: 34 °F
Wind: 22 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Yankton
High Temp: 72 °F
Low Temp: 47 °F
Mean Temp: 59 °F
Precipitation: 3.60"
Humidity: 63%
Dew Point: 46 °F
Wind: 20 mph
Pressure: 29.94 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Yankton
High Temp: 83 °F
Low Temp: 59 °F
Mean Temp: 71 °F
Precipitation: 3.91"
Humidity: 65%
Dew Point: 57 °F
Wind: 18 mph
Pressure: 29.90 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Yankton
High Temp: 87 °F
Low Temp: 63 °F
Mean Temp: 75 °F
Precipitation: 3.42"
Humidity: 69%
Dew Point: 63 °F
Wind: 16 mph
Pressure: 29.96 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Yankton
High Temp: 85 °F
Low Temp: 61 °F
Mean Temp: 73 °F
Precipitation: 3.17"
Humidity: 73%
Dew Point: 62 °F
Wind: 15 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Yankton
High Temp: 78 °F
Low Temp: 52 °F
Mean Temp: 65 °F
Precipitation: 2.81"
Humidity: 67%
Dew Point: 52 °F
Wind: 17 mph
Pressure: 29.99 "Hg
Visibility: 10 mi
October Climate & Weather Averages in Yankton
High Temp: 63 °F
Low Temp: 38 °F
Mean Temp: 51 °F
Precipitation: 2.56"
Humidity: 65%
Dew Point: 38 °F
Wind: 19 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Yankton
High Temp: 48 °F
Low Temp: 25 °F
Mean Temp: 37 °F
Precipitation: 1.20"
Humidity: 68%
Dew Point: 26 °F
Wind: 19 mph
Pressure: 30.06 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Yankton
High Temp: 35 °F
Low Temp: 15 °F
Mean Temp: 25 °F
Precipitation: 1.03"
Humidity: 75%
Dew Point: 17 °F
Wind: 19 mph
Pressure: 30.07 "Hg
Visibility: 9 mi