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Climate & Weather Averages in Yankton, South Dakota, USA

Currently: 51 °F. Sunny. (Weather station: Yankton Weather Reporting System, USA). See more current weather

Annual Weather Averages Near Yankton

Averages are for Yankton Weather Reporting System, which is 3 miles from Yankton.

Based on weather reports collected during 1985–2015.

All Year Climate & Weather Averages in Yankton

High Temp: 86 °F

Low Temp: 11 °F

Mean Temp: 49 °F

Precipitation: 0.76"

Humidity: 68%

Dew Point: 37 °F

Wind: 10 mph

Pressure: 30.01 "Hg

Visibility: 10 mi

January Climate & Weather Averages in Yankton

High Temp: 31 °F

Low Temp: 11 °F

Mean Temp: 21 °F

Precipitation: 0.05"

Humidity: 73%

Dew Point: 14 °F

Wind: 11 mph

Pressure: 30.10 "Hg

Visibility: 9 mi

February Climate & Weather Averages in Yankton

High Temp: 35 °F

Low Temp: 15 °F

Mean Temp: 25 °F

Precipitation: 0.11"

Humidity: 73%

Dew Point: 17 °F

Wind: 11 mph

Pressure: 30.11 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Yankton

High Temp: 47 °F

Low Temp: 25 °F

Mean Temp: 36 °F

Precipitation: 0.42"

Humidity: 68%

Dew Point: 25 °F

Wind: 11 mph

Pressure: 30.04 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Yankton

High Temp: 61 °F

Low Temp: 36 °F

Mean Temp: 48 °F

Precipitation: 1.13"

Humidity: 61%

Dew Point: 34 °F

Wind: 12 mph

Pressure: 29.95 "Hg

Visibility: 10 mi

May Climate & Weather Averages in Yankton

High Temp: 72 °F

Low Temp: 48 °F

Mean Temp: 60 °F

Precipitation: 1.51"

Humidity: 62%

Dew Point: 46 °F

Wind: 11 mph

Pressure: 29.93 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Yankton

High Temp: 82 °F

Low Temp: 59 °F

Mean Temp: 70 °F

Precipitation: 1.87"

Humidity: 64%

Dew Point: 57 °F

Wind: 10 mph

Pressure: 29.90 "Hg

Visibility: 10 mi

July Climate & Weather Averages in Yankton

High Temp: 86 °F

Low Temp: 64 °F

Mean Temp: 75 °F

Precipitation: 1.20"

Humidity: 67%

Dew Point: 62 °F

Wind: 8 mph

Pressure: 29.95 "Hg

Visibility: 10 mi

August Climate & Weather Averages in Yankton

High Temp: 84 °F

Low Temp: 62 °F

Mean Temp: 73 °F

Precipitation: 1.20"

Humidity: 71%

Dew Point: 61 °F

Wind: 8 mph

Pressure: 29.98 "Hg

Visibility: 10 mi

September Climate & Weather Averages in Yankton

High Temp: 77 °F

Low Temp: 52 °F

Mean Temp: 64 °F

Precipitation: 0.80"

Humidity: 66%

Dew Point: 51 °F

Wind: 9 mph

Pressure: 29.99 "Hg

Visibility: 10 mi

October Climate & Weather Averages in Yankton

High Temp: 63 °F

Low Temp: 39 °F

Mean Temp: 51 °F

Precipitation: 0.47"

Humidity: 63%

Dew Point: 37 °F

Wind: 10 mph

Pressure: 30.01 "Hg

Visibility: 10 mi

November Climate & Weather Averages in Yankton

High Temp: 47 °F

Low Temp: 26 °F

Mean Temp: 36 °F

Precipitation: 0.23"

Humidity: 69%

Dew Point: 25 °F

Wind: 10 mph

Pressure: 30.04 "Hg

Visibility: 10 mi

December Climate & Weather Averages in Yankton

High Temp: 34 °F

Low Temp: 15 °F

Mean Temp: 25 °F

Precipitation: 0.11"

Humidity: 75%

Dew Point: 17 °F

Wind: 10 mph

Pressure: 30.08 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthJuly (75 °F avg)
Coldest MonthJanuary (21 °F avg)
Wettest MonthJune (1.87" avg)
Windiest MonthApril (12 mph avg)
Annual precip.9.10" (per year)

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