With a population of around 14,600, Yankton sits in South Dakota, United States. The city operates in the Central Time Zone.
In 2025, Yankton recorded an average annual temperature of 51°F. The hottest temperatures reached 97°F in June; the coolest were -17°F in February. Total precipitation for the year was 29 inches, with the wettest month being July. Snowfall for the year totaled approximately 8 inches.
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