South Dakota 天気 予報
South Dakota weather: 3°C, 曇り. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
South Dakota weather in 8月
One of the best monthsからvisit South Dakota.
8月 runs 13°C warmer than the annual average in South Dakota.
天気 map for South Dakota
Animated model layers. Pick a layerからload it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
気候 in South Dakota month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | -2° | -12° | 11 mm | ★★☆☆☆ |
| 2月 | 4° | -7° | 8 mm | ★★☆☆☆ |
| 3月 | 10° | -3° | 16 mm | ★★★☆☆ |
| 4月 | 15° | 3° | 73 mm | ★★★☆☆ |
| 5月 | 21° | 10° | 91 mm | ★★★★☆ |
| 6月 | 27° | 16° | 96 mm | ★★★★☆ |
| 7月 | 31° | 20° | 49 mm | ★★★★★ |
| 8月 | 29° | 18° | 69 mm | ★★★★☆ |
| 9月 | 26° | 15° | 48 mm | ★★★★☆ |
| 10月 | 18° | 7° | 37 mm | ★★★★☆ |
| 11月 | 8° | -1° | 18 mm | ★★★☆☆ |
| 12月 | 4° | -6° | 28 mm | ★★☆☆☆ |
気候 type: 大陸al. 出典: Open-Meteo archive (ERA5).
訪問に最適な時期 South Dakota
Go in 6月, 7月, 8月 and 9月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 2月 and 12月 - expect the least comfortable mix of heat, cold or rain.
Whatからpack, whatからskip
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.
How South Dakota compares、nearby places
Annual averages, and the difference against South Dakota.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| North Dakota | 273 km | 7°C | 3°C cooler | 590 mm |
| Theodore Roosevelt National Park | 382 km | 8°C | 2°C cooler | 409 mm |
| Nebraska | 495 km | 13°C | +3°C warmer | 822 mm |
| Omaha | 499 km | 13°C | +2°C warmer | 850 mm |
| Itasca State Park | 510 km | 6°C | 4°C cooler | 692 mm |
時間帯別のSouth Dakota 予報を見る
South Dakota weather - more answers
Explore South Dakota
Every topic we hold for this place, and the same topic for the places around it.
天気 for related places
Frequently asked questions
Where is South Dakota?
South Dakota is a state in アメリカ合衆国. Its coordinates are 44.3683, -100.351. It lies in 北アメリカ.
What is the weather like in South Dakota現在?
It is currently 3°C (38°F)、曇り. 湿度 is 95% and wind is 1 km/h.
When is the best timeからvisit South Dakota?
6月, 7月, 8月 and 9月 offer the most comfortable conditions in South Dakota, which has a continental climate. 1月, 2月 and 12月 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 4:56 AM.
How many people live in South Dakota?
South Dakota has a population of approximately 920.000.
What are the top thingsからdo in South Dakota?
Popular options include Badlands National Park, 風 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, 風 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. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 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 10月 27, 2026 at 4:56 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





