With a population of around 14,600, Yankton sits in South Dakota, United States. The city operates in the Central Time Zone.
Recent weather here gives a sense of typical conditions: in 2025, Yankton recorded a mean annual temperature of 51°F, ranging from -17°F lows in February to 97°F highs in June, with about 29 inches of precipitation across the year.
View historical weather for Yankton · More cities in South Dakota