Temperature in South Dakota in October

Daytime highs, nighttime lows and the warmest cities in South Dakota, the United States of America this October.

South Dakota, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in October ranging from 13°C (55°F) in Custer to 18°C (64°F) in Vermillion. Nighttime temperatures generally drop to 4°C (39°F) in Vermillion and 0°C (32°F) in Custer.

What is the temperature of the different cities in South Dakota, the United States of America in October?

Discover the typical October temperatures for the most popular locations of South Dakota on the map below. Detailed insights are just a click away.

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Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit South Dakota, check out our South Dakota's climate page.

See also: South Dakota weather by month.

Best Places to Visit in South Dakota in October

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across South Dakota.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in October: blue is cold, red is hot.

See all October weather averages, cities and regions in South Dakota

South Dakota temperatures in October: frequently asked questions

How hot does it get in South Dakota, the United States of America in October?

Expect daytime temperatures around 16°C (61°F) in Sioux Falls. That makes October a moderate month for South Dakota, the United States of America.

How cold does it get at night in South Dakota, the United States of America in October?

Average overnight lows in South Dakota, the United States of America during October sit near 3°C (37°F) in Sioux Falls.

What is the warmest city in October in South Dakota, the United States of America?

Based on our systematic data collection, Vermillion has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 18°C (64°F), while at night it goes down to an approximate temperature of 4°C (39°F).

What is the coldest city in October in South Dakota, the United States of America?

For the month of October, Custer is the most temperate city in South Dakota, the United States of America based on our records. Highs average 13°C (55°F) and nighttime temperatures dip to around 0°C (32°F).

Interested in more climate information?

We have much more information about the climate in South Dakota.

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