Climate Yankton - South Dakota
Jan Ja Feb Fe Mar Ma Apr Ap May Ma Jun Ju Average high in ºF Av. high Hi 77 64 46 85 87 82 Average low in ºF Av. low Lo 50 38 24 60 62 57 Av. precipitation in inch Av. precip. Pre. 2.69 2.32 1.38 2.97 3.07 3.97 Av. snowfall in inch Snowfall Sn 0 1 6 0 0 0
Jul Ju Aug Au Sep Se Oct Oc Nov No Dec De Average high in ºF Av. high Hi 73 61 47 36 31 33 Average low in ºF Av. low Lo 46 35 24 14 10 12 Av. precipitation in inch Av. precip. Pre. 3.73 3.11 1.76 0.72 0.51 0.85 Av. snowfall in inch Snowfall Sn 0 3 5 7 6 6
What is the average weather in Yankton, South Dakota? Yankton experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are hot, while winters are cold and bring significant snowfall. Precipitation is moderate overall, with a strong pattern of wetter summers, though moisture is spread relatively evenly throughout the year.
January February March April May June July August September October November December
1 Jan 30.1 11.4 0.02 0.02 2.00 5.08 2 Jan 30.0 11.2 0.05 0.05 3.00 7.62 3 Jan 29.9 11.1 0.07 0.07 5.00 12.70 4 Jan 29.8 11.0 0.09 0.09 7.00 17.78 5 Jan 29.7 10.8 0.12 0.12 9.00 22.86 6 Jan 29.7 10.7 0.14 0.14 10.00 25.40 7 Jan 29.6 10.6 0.16 0.16 12.00 30.48 8 Jan 29.6 10.5 0.19 0.19 14.00 35.56 9 Jan 29.6 10.4 0.21 0.21 16.00 40.64 10 Jan 29.6 10.4 0.23 0.23 18.00 45.72 11 Jan 29.6 10.3 0.25 0.25 20.00 50.80 12 Jan 29.6 10.2 0.27 0.27 22.00 55.88 13 Jan 29.6 10.2 0.29 0.29 24.00 60.96 14 Jan 29.6 10.1 0.31 0.31 26.00 66.04 15 Jan 29.6 10.1 0.33 0.33 28.00 71.12 16 Jan 29.7 10.0 0.34 0.34 30.00 76.20 17 Jan 29.7 10.0 0.36 0.36 32.00 81.28 18 Jan 29.8 10.0 0.38 0.38 35.00 88.90 19 Jan 29.8 10.0 0.40 0.40 37.00 93.98 20 Jan 29.9 10.0 0.42 0.42 39.00 99.06 21 Jan 30.0 10.0 0.44 0.44 42.00 106.68 22 Jan 30.1 10.0 0.46 0.46 44.00 111.76 23 Jan 30.2 10.1 0.48 0.48 47.00 119.38 24 Jan 30.3 10.1 0.50 0.50 49.00 124.46 25 Jan 30.4 10.2 0.52 0.52 51.00 129.54 26 Jan 30.5 10.3 0.54 0.54 54.00 137.16 27 Jan 30.6 10.3 0.56 0.56 57.00 144.78 28 Jan 30.7 10.4 0.59 0.59 59.00 149.86 29 Jan 30.9 10.5 0.61 0.61 62.00 157.48 30 Jan 31.0 10.6 0.63 0.63 64.00 162.56 31 Jan 31.2 10.8 0.65 0.65 67.00 170.18
Weather history Yankton - July 2026
Day 01 Jul 87.1 66.0 0.08 - - 02 Jul - - - - - 03 Jul - - - - - 04 Jul - - - - - 05 Jul - - - - - 06 Jul - - - - - 07 Jul - - - - - 08 Jul - - - - - 09 Jul - - - - - 10 Jul - - - - - 11 Jul - - - - - 12 Jul - - - - - 13 Jul - - - - - 14 Jul - - - - - 15 Jul - - - - - 16 Jul - - - - - 17 Jul - - - - - 18 Jul - - - - - 19 Jul - - - - - 20 Jul - - - - - 21 Jul - - - - - 22 Jul - - - - - 23 Jul - - - - - 24 Jul - - - - - 25 Jul - - - - - 26 Jul - - - - - 27 Jul - - - - - 28 Jul - - - - - 29 Jul - - - - - 30 Jul - - - - - 31 Jul - - - - -
Past weather Yankton
Jul 26 Normal Average high temperature Av. high temp. 87.1 ºF 77 ºF Average low temperature Av. low temp. 66.0 ºF 50 ºF Total precipitation Total precip. 0.08 inch 2.69 inch Total snowfall Total snowfall - inch 0 inch Highest max temperature Highest max temp. 87.1 ºF - Lowest max temperature Lowest max temp. 87.1 ºF - Highest min temperature Highest min temp. 66.0 ºF - Lowest min temperature Lowest min temp. 66.0 ºF -
× Past weather July 2026 incomplete - Missing data
Geo Yankton - South Dakota
Country United States State South Dakota County Yankton City Yankton Zip Code 57078 Longitude -97.4 dec. degr. Latitude 42.87 dec. degr. Altitude - Elevation
1207ft ICAO - IATA -
Date and Time Yankton - South Dakota
Local Time 03:03 AM Sunrise 05:56 AM Sunset 09:12 PM Day/Night Night Timezone Central Daylight Time Timezone DB America - Chicago
Map of Yankton - South Dakota