October
Weather in South Dakota for October 2025
Your guide to South Dakota weather in October - trends and predictions
Snowfall in South Dakota during October is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in South Dakota at the beginning of October is 21.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.1 °F by the end of October.
South Dakota experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 84 mm.
Halloween weather in South Dakota 🎃 - See the complete forecast for Thursday, October 31.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
1
Snow days
18°/5°
Temperatures
26 km/h
Avg max wind
60 %
Avg humidity
South Dakota in October average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  30° | 3  21° | 4 21° | 5  22° | ||
| 6 15° | 7  17° | 8 24° | 9 22° | 10  23° | 11 21° | 12 17° |
| 13  13° | 14  10° | 15 12° | 16  18° | 17 23° | 18 18° | 19 20° |
| 20 26° | 21 22° | 22 21° | 23 19° | 24 18° | 25 16° | 26 15° |
| 27  12° | 28  7° | 29 13° | 30 9° | 31 6° |
You can click on date
Access South Dakota weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during October in South Dakota
See the weather trend as well as the moving average line
October weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Oct. 1 | Thundery outbreaks possible | 26° /11° | 1.3 mm | 0 cm | |
| Oct. 2 | Patchy rain possible | 30° /12° | 0 mm | 0 cm | |
| Oct. 3 | Moderate or heavy rain with thunder | 21° /10° | 25.2 mm | 0 cm | |
| Oct. 4 | Thundery outbreaks possible | 21° /8° | 2.8 mm | 0 cm | |
| Oct. 5 | Overcast | 22° /10° | 0 mm | 0 cm | |
| Oct. 6 | Patchy rain possible | 15° /5° | 0.5 mm | 0 cm | |
| Oct. 7 | Partly cloudy | 17° /1° | 0 mm | 0 cm | |
| Oct. 8 | Overcast | 24° /5° | 0 mm | 0 cm | |
| Oct. 9 | Partly cloudy | 22° /4° | 0 mm | 0 cm | |
| Oct. 10 | Sunny | 23° /6° | 0 mm | 0 cm | |
| Oct. 11 | Overcast | 21° /8° | 0 mm | 0 cm | |
| Oct. 12 | Light rain shower | 17° /6° | 21.4 mm | 0 cm | |
| Oct. 13 | Torrential rain shower | 13° /5° | 24 mm | 0 cm | |
| Oct. 14 | Light drizzle | 10° /3° | 0.4 mm | 0 cm | |
| Oct. 15 | Overcast | 12° /1° | 0 mm | 0 cm | |
| Oct. 16 | Mist | 18° /-2° | 0 mm | 0 cm | |
| Oct. 17 | Sunny | 23° /3° | 0 mm | 0 cm | |
| Oct. 18 | Light drizzle | 18° /9° | 0.7 mm | 0 cm | |
| Oct. 19 | Patchy rain possible | 20° /9° | 0 mm | 0 cm | |
| Oct. 20 | Sunny | 26° /5° | 0 mm | 0 cm | |
| Oct. 21 | Sunny | 22° /10° | 0 mm | 0 cm | |
| Oct. 22 | Mist | 21° /5° | 0 mm | 0 cm | |
| Oct. 23 | Mist | 19° /3° | 0 mm | 0 cm | |
| Oct. 24 | Light rain shower | 18° /7° | 1.4 mm | 0 cm | |
| Oct. 25 | Light rain shower | 16° /4° | 1.5 mm | 0 cm | |
| Oct. 26 | Fog | 15° /4° | 1 mm | 0 cm | |
| Oct. 27 | Light snow | 12° /2° | 0 mm | 0 cm | |
| Oct. 28 | Heavy snow | 7° /3° | 1.7 mm | 1.4 cm | |
| Oct. 29 | Overcast | 13° /4° | 0 mm | 0 cm | |
| Oct. 30 | Overcast | 9° /0° | 0 mm | 0 cm | |
| Oct. 31 | Partly cloudy | 6° /-3° | 2.1 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for South Dakota in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the South Dakota forecast closer to your planned date for the most up-to-date weather information.
South Dakota in October - FAQ
What are the expected maximum and minimum temperatures in South Dakota during October?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in South Dakota during October?
Moderate rainfall is anticipated in South Dakota during October, with a total of 84 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
Will it snow in South Dakota in October 2025?
South Dakota typically sees 1.4 cm of snowfall during October.
What are the typical wind conditions in South Dakota during October?
The average wind speed in South Dakota during October is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
South Dakota snow forecast October 2025
Track daily snowfall levels and discover South Dakota’s snowy potential this October ❄️
October rainfall patterns in South Dakota
Explore the daily rainfall trends and prepare for South Dakotas October weather 💧
UV exposure in South Dakota during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Provinces in South Dakota
Select a province for an accurate weather forecast
Top locations in South Dakota
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is South Dakota?Get accurate weather forecasts for South Dakota, located at latitude 43.55 and longitude -96.7. Stay updated with localized weather information tailored for South Dakota.
Found a mistake?
We appreciate your attention to details. Tell us here.