South Dakota Veður Spá
South Dakota weather: 8°C, skýjað. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
South Dakota weather in maí
A good month til visit South Dakota.
maí runs 5°C warmer than the annual average in South Dakota.
Compare með apríl.
Veður map for South Dakota
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Loftslag in South Dakota month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | -2° | -12° | 11 mm | ★★☆☆☆ |
| febrúar | 4° | -7° | 8 mm | ★★☆☆☆ |
| mars | 10° | -3° | 16 mm | ★★★☆☆ |
| apríl | 15° | 3° | 73 mm | ★★★☆☆ |
| maí | 21° | 10° | 91 mm | ★★★★☆ |
| júní | 27° | 16° | 96 mm | ★★★★☆ |
| júlí | 31° | 20° | 49 mm | ★★★★★ |
| ágúst | 29° | 18° | 69 mm | ★★★★☆ |
| september | 26° | 15° | 48 mm | ★★★★☆ |
| október | 18° | 7° | 37 mm | ★★★★☆ |
| nóvember | 8° | -1° | 18 mm | ★★★☆☆ |
| desember | 4° | -6° | 28 mm | ★★☆☆☆ |
Loftslag type: Heimsálfaal. Heimild: Open-Meteo archive (ERA5).
Best time til visit South Dakota
Go in júní, júlí, ágúst and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
What til pack, what til skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
How South Dakota compares með 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 | 12°C | +2°C warmer | 893 mm |
| Itasca State Park | 510 km | 6°C | 4°C cooler | 701 mm |
Sjá spá fyrir South Dakota eftir tímabili
South Dakota weather - more answers
Explore South Dakota
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is South Dakota?
South Dakota is a state in Bandaríkin. Its coordinates are 44.3683, -100.351. It lies in Norður-Ameríka.
What is the weather like in South Dakota núna?
It is currently 8°C (46°F) með skýjað. Raki is 92% and wind is 11 km/h.
When is the best time til visit South Dakota?
júní, júlí, ágúst and september offer the most comfortable conditions in South Dakota, which has a continental climate. janúar, febrúar and desember 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 6:02 PM.
How many people live in South Dakota?
South Dakota has a population of approximately 920.000.
What are the top things til do in South Dakota?
Popular options include Badlands National Park, Vindur 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, Vindur 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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 október 28, 2026 at 6:02 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





