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Best time to visit South Dakota
The best times to visit South Dakota (Sioux Falls) are in May, June and September based on our default weather conditions. Update your weather preferences to see which months best match.
South Dakota by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for South Dakota
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Top South Dakota destinations
Below are the temperatures expected today at popular countries, regions and places in South Dakota. Select a destination to compare today's forecast with average weather conditions.
All South Dakota destinations
When is the best time to visit South Dakota?
Max Day Temperature (°F)
- Jan
25 - Feb30
- Mar
43 - Apr
59 - May
72 - Jun
81 - Jul
86 - Aug
84 - Sep73
- Oct61
- Nov43
- Dec28
Best time to visit
The weather guide for South Dakota (Sioux Falls) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Metric (°C) | Imperial (°F)
More about South Dakota
Explore our complete guide to South Dakota with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for South Dakota.
- Essential information
- Ready to book?
- Top travel deals
- Travel advice
- Travel health
- Travel features
- FAQs
South Dakota essential information
Below is a beginner's guide to South Dakota with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.
| South Dakota - quick facts | |
|---|---|
| Flight time✝ | 12.5 hours |
| Time difference | UK -6 to -7 hours |
| Language(s) | English |
| Currency | US Dollar |
| Electricity | A + B plug (120V) |
| Driving side | Right |
| Visa✝ | Yes |
✝ = Typical flight time from the UK and visa requirements for UK travellers.
Travelling to South Dakota?
Discover where to book holidays, flights, hotels and more from popular travel providers for your trip to South Dakota in 2026/2027.
Holidays to South Dakota
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Mercury Holidays Award-winning travel provider offering package holidays, escorted tours and river cruises to United States and more. |
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Expedia Compare and book holidays, flights, hotels, car hire and more on this trusted website covering global destinations. |
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Travelbag Award-winning UK-based travel company specialising in personalised long-haul holidays to United States and further afield. |
Tours to South Dakota
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Travelsphere UK-based tour operator with 60+ years experience. Offers award-winning guided tour holidays across six continents. |
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Cosmos Long-standing travel brand offering affordable adventure tours across 54 countries on six continents. |
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Saga Holidays Award-winning travel operator specialising in escorted tours and hotel holidays to Europe and worldwide for over 50s. |
Flights to South Dakota
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KAYAK Search and compare flights, hotels, car hire and package holidays through this award-winning travel search engine. |
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KLM The Netherland's national flag carrier and the world's largest airline. Serves 170 international destinations via Amsterdam. |
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Kiwi.com Global OTA and search engine specialising in affordable flights, hotels and car hire across worldwide destinations including South Dakota. |
Hotels in South Dakota
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Hilton Leading global hospitality brand with a portfolio of 9,000 properties across 141 countries and territories including United States. |
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IHG Leading global hotel group with a portfolio of international brands including Holiday Inn, Crowne Plaza and more. |
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Marriott The world's largest hotel company with a portfolio of 30+ brands and almost 9,600 properties across 143 countries. |
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Radisson Hotels Major international hotel group with 10 brands and over 1,520 hotels worldwide including in South Dakota. |
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Priceline Leading OTA for discounted flights, hotels, cruises, car hire, experiences and packages worldwide including in South Dakota, United States. |
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Hotels.com Part of Expedia Group, this major OTA offers deals and discounts on hotel rooms worldwide including in South Dakota, United States. |
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Booking.com Leading global OTA founded in Amsterdam. Offers worldwide accommodation, flights, car hire, activities and more. |
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Agoda One of the world's largest online travel platforms with a network of over 6 million hotels. Plus flights, activities and more. |
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Trivago |
Accommodation in South Dakota
Things to do in South Dakota
Buses & trains in South Dakota
Car hire in South Dakota
Money transfers to South Dakota
Airport taxis for South Dakota
eSIMs for South Dakota
South Dakota travel deals
Check out the latest deals, discount codes and special offers on holidays, flights, hotels and more for South Dakota in 2026/2027. Pay low deposits and save with last minute holidays, early bird offers and free kids places where available.
- Save up to £800 per couple on selected worldwide tours
- Plus save up to £300 per couple on European tours
- Book tours online in Travelsphere New Year sale
Expires at 23:59 on Saturday 28th Feb 2026 · View all Travelsphere offers
- Save up to 50% on 2026 holidays & tours with Travelbag
- Book selected stays in popular destinations around the world
- Travel before 31st December 2026 (inclusive)
Expires at 23:59 on Saturday 31st Jan 2026 · View all Travelbag offers
South Dakota travel advice
Check the latest travel advice and guidance on visiting South Dakota from official government sources (in english) from around the world including entry requirements and travel restrictions.
- UK traveller advice for the South Dakota - UK FCDO
- Irish traveller advice for the South Dakota - Department of Foreign Affairs, Ireland
- Canadian travel advice for the South Dakota - Government of Canada
- Safe travel advisories for the South Dakota - Ministry of Foreign Affairs, New Zealand
- Smarter traveller advice for the South Dakota - Department of Foreign Affairs, Australia
Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around South Dakota.
Note: UK FCDO - UK Foreign, Commonwealth & Development Office
South Dakota travel health
Find out more about staying safe when travelling to South Dakota with the latest guidance on required vaccinations and recommended medication to take with you.
- Vaccines & medicines for the South Dakota - CDC
- Health & vaccinations for the South Dakota - TravelHealthPro, NaTHNac
- How to stay safe & healthy in the South Dakota - Fit for Travel, Public Health Scotland
Check out the general travel tips for staying safe and healthy in South Dakota, risks of preventable diseases and what to pack.
Note: CDC - Centers for Disease Control and Prevention
South Dakota travel features
Do you want to learn more about South Dakota? Read our latest features covering travel tips and insider destination guides on where to go and what to do in South Dakota.
We don't currently have any travel features on South Dakota. Discover more about holiday destinations around the world with this selection of general travel articles.
South Dakota FAQs
Read our frequently asked questions about travelling to South Dakota including the current entry restrictions, driving side, electrical plugs used and much more.
Which is the hottest month in South Dakota?
The hottest time of year in Sioux Falls, South Dakota is normally July. Expect maximum daytime temperatures to reach 86°F with moderate heat and humidity.
Which month has the most rain in South Dakota?
In terms of rainfall, June is usually the wettest month in Sioux Falls, South Dakota with 3.6 inches on average. There are normally 11 days in June with some rain.
When is it sunniest in South Dakota?
The sunniest time of year in Sioux Falls, South Dakota is normally July with bright sunshine on average for 74% of daylight hours; that's 11 hours of sunshine per day.
What is the flight time to South Dakota from the UK?
The flight time to South Dakota from the UK is typically 12.5 hours.
What is the time difference between South Dakota and the UK?
The time difference between South Dakota and the UK is UK time-6 to UK time-7 hours.
What is the main language spoken in South Dakota?
The main language spoken in South Dakota is English.
Learn a language for South Dakota with Busuu*, Rocket Languages* and Rosetta Stone*.
What is the currency in South Dakota?
The currency in South Dakota is the US Dollar (USD).
Send money to South Dakota with TransferGo*.
Which plugs are used in South Dakota?
South Dakota uses electrical plug type A + B (120 Volts).
Which side of the road do they drive on in South Dakota?
They drive on the right side of the road in South Dakota.
Find out more about driving in USA with International Drivers Association*.
Do you need a visa for South Dakota?
Yes, UK passport holders do need a visa to enter South Dakota.
Check USA visa requirements for all passport holders with VisaHQ*.
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