Sioux Falls Weather in October
In Sioux Falls, October brings moderate daytime temperatures around 16°C (61°F), with nights cooling to 3°C (37°F). Expect quite a bit of rainfall this month.
Rainfall in Sioux Falls in October
Expect around 8 days of rain based on historical data, with 62 mm (2.4 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Sioux Falls in October
October in Sioux Falls brings typical temperatures with highs around 16°C (61°F) and lows of 3°C (37°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If you prefer dry days with pleasant temperatures, May, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Sioux Falls's climate page.
Sioux Falls Temperature in October
Min Temperature
3°C (37°F)
Max Temperature
16°C (61°F)
Chance of Rain
27%
Precipitation
62 mm (2.4 in)
Rainy days
8 days
Humidity
67%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sioux Falls typically drop from around 19°C (66°F) at the start of October to approximately 12°C (54°F) by the end. Nights are cold, with lows typically ranging from -1°C (30°F) to 8°C (46°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Sioux Falls in October
Browse day-by-day weather records for Sioux Falls spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sioux Falls historical weather extremes in October
According to our 49 years of weather records for Sioux Falls, the following extremes were recorded between 1976 and 2025.
- The hottest October day on record in Sioux Falls reached 34°C (93°F) (October 1, 2023).
- Sioux Falls registered its coldest October night on October 27, 1997, with temperatures dropping to -11°C (12°F).
Best Places in the United States of America in October
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →
perfect weather
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What to Wear in Sioux Falls in October
Pack for changing conditions in Sioux Falls in October. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Sioux Falls in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Sioux Falls's climate page.
See the full Sioux Falls climate overview or explore weather in the United States of America.
