Best Time to Visit South Dakota
Best time to visit South Dakota: June, July, August and September. Month-by-month temperature, rainfall and crowd guidance.
Best time to visit South Dakota
Go in June, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Climate in South Dakota month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 28° | 11° | 0,4 in | ★★☆☆☆ |
| February | 39° | 19° | 0,3 in | ★★☆☆☆ |
| March | 51° | 28° | 0,6 in | ★★★☆☆ |
| April | 58° | 38° | 2,9 in | ★★★☆☆ |
| May | 70° | 50° | 3,6 in | ★★★★☆ |
| June | 80° | 61° | 3,8 in | ★★★★☆ |
| July | 89° | 68° | 1,9 in | ★★★★★ |
| August | 84° | 65° | 2,0 in | ★★★★☆ |
| September | 80° | 60° | 1,8 in | ★★★★☆ |
| October | 64° | 45° | 1,5 in | ★★★★☆ |
| November | 47° | 31° | 0,7 in | ★★★☆☆ |
| December | 38° | 21° | 1,1 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
How South Dakota compares with nearby places
Annual averages, and the difference against South Dakota.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| North Dakota | 170 mi | 45°F | 37°F cooler | 23 in |
| Theodore Roosevelt National Park | 237 mi | 46°F | 36°F cooler | 16 in |
| Nebraska | 308 mi | 55°F | +37°F warmer | 29 in |
| Omaha | 310 mi | 54°F | +36°F warmer | 29 in |
| Itasca State Park | 317 mi | 43°F | 40°F cooler | 27 in |
Best time to visit each national park in South Dakota
2 national parks mapped in this atlas
Best time to visit each attraction in South Dakota
1 attractions mapped in this atlas
Best time to visit each state park in South Dakota
1 state and provincial parks mapped in this atlas
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
South Dakota is a state in United States. South Dakota is a US state with its capital at Pierre. It has a population of about 920.000. The capital is Pierre.
Right now it is 79°F (26°C) in South Dakota with overcast. It feels like 77°F. Today runs from 59°F to 87°F. Chance of precipitation is 0%. Sightseeing conditions score 9.6/10 - excellent - go now.
The best time to visit South Dakota is June, July, August and September. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 89°F, while January is the coldest with lows near 11°F.
Nearby highlights include Badlands National Park, Wind Cave National Park, Mount Rushmore and Custer State Park.
In plain terms. Today is slightly warmer than average for August. The forecast high of 87°F is 3.2°F above the 84°F typical for this month. The best window to be outside is roughly 8 AM to 11 AM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in South Dakota today at 9.6/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in South Dakota right now
Source: Open-Meteo. Updated 12:46 AM, Aug 23 local time.
Weekend outlook
☁️ 87° / 59°
Overcast · 0% rain · wind 7 mph
🌦️ 91° / 66°
Light drizzle · 21% rain · wind 16 mph
Things to do in South Dakota
Attractions, parks and landmarks in and around South Dakota.
Quick facts about South Dakota
| Type | State |
|---|---|
| Country | United States |
| Continent | North America |
| Coordinates | 44°22′5.9″N 100°21′3.6″W (44.3683, -100.351) |
| Capital | Pierre |
| Population | 920.000 |
| Area | 77.116 sq mi |
| Abbreviation | SD |
| Time zone | America/Chicago |
| Local time | 12:46 AM (UTC-05:00) |
| Best months | June, July, August and September |
| Climate | Continental |
Explore South Dakota
Every topic we hold for this place, and the same topic for the places around it.
Best Time to Visit for related places
Frequently asked questions
Where is South Dakota?
South Dakota is a state in United States. Its coordinates are 44.3683, -100.351. It lies in North America.
What is the weather like in South Dakota right now?
It is currently 79°F (26°C) with overcast. Humidity is 40% and wind is 7 mph.
When is the best time to visit South Dakota?
June, July, August and September offer the most comfortable conditions in South Dakota, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is South Dakota in?
South Dakota observes America/Chicago (UTC-05:00). The local time is 12:46 AM.
How many people live in South Dakota?
South Dakota has a population of approximately 920.000.
What are the top things to do in South Dakota?
Popular options include Badlands National Park, Wind Cave National Park, Mount Rushmore, Custer State Park and Theodore Roosevelt National Park.
What places are in South Dakota?
South Dakota covers 4 places in this atlas, including Badlands National Park, Wind Cave National Park, Mount Rushmore and Custer State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 12:46 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
