South Dakota Ilmasto and Average Sää
Ilmasto of South Dakota: average temperatures, rainfall and seasons month by month.
Ilmasto in South Dakota month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Kuukausi | Avg high | Avg low | Sadefall | Rating |
|---|---|---|---|---|
| tammikuu | -2° | -12° | 11 mm | ★★☆☆☆ |
| helmikuu | 4° | -7° | 8 mm | ★★☆☆☆ |
| maaliskuu | 10° | -3° | 16 mm | ★★★☆☆ |
| huhtikuu | 15° | 3° | 73 mm | ★★★☆☆ |
| tou | 21° | 10° | 91 mm | ★★★★☆ |
| kesäkuu | 27° | 16° | 96 mm | ★★★★☆ |
| heinäkuu | 31° | 20° | 49 mm | ★★★★★ |
| elokuu | 29° | 18° | 69 mm | ★★★★☆ |
| syyskuu | 26° | 15° | 48 mm | ★★★★☆ |
| lokakuu | 18° | 7° | 37 mm | ★★★★☆ |
| marraskuu | 8° | -1° | 18 mm | ★★★☆☆ |
| joulukuu | 4° | -6° | 28 mm | ★★☆☆☆ |
Ilmasto type: Maanosaal. Lähde: Open-Meteo archive (ERA5).
Recent extremes in South Dakota
Korkeaest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How South Dakota compares ja 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 |
Ilmasto by national park in South Dakota
2 national parks mapped in this atlas
Ilmasto by attraction in South Dakota
1 attractions mapped in this atlas
Ilmasto by state park in South Dakota
1 state and provincial parks mapped in this atlas
Paras aika vierailla South Dakota
Go in kesäkuu, heinäkuu, elokuu and syyskuu. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: tammikuu, helmikuu and joulukuu - expect the least comfortable mix of heat, cold or rain.
What this means for South Dakota
Today is much warmer than average for lokakuu. The forecast high of 30°C is 11.7°C above the 18°C typical for this month.
Sade is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in kesäkuu ja elokuu.
The gap between the warmest and coldest month averages 33°C.
What ja pack, what ja skip
- Lightweight, light-coloured clothing and a refillable water bottle
- suglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 28°C, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid tammikuu, helmikuu and joulukuu - historically the least comfortable months here.
Yhteenveto
South Dakota is a state in Yhdysvallat. South Dakota is a US state jonka pääkaupunki on Pierre. Väkiluku on noin 920.000. Pääkaupunki on Pierre.
Tällä hetkellä lämpötila on 18°C (64°F) in South Dakota ja selkeä. Tuntuu kuin 17°C. Tänään lämpötila vaihtelee 16°C ja 30°C. laeen todennäköisyys on 4%. Sightseeing conditions score 9.4/10 - erinomainen — lähde nyt.
Paras aika matkustaa kohteeseen South Dakota is kesäkuu, heinäkuu, elokuu and syyskuu. Ilmasto on continental. tammikuu, helmikuu and joulukuu tend ja be the least comfortable months. heinäkuu is the warmest month ja average highs near 31°C, while tammikuu is the coldest ja lows near -12°C.
Nearby highlights include Badlands National Park, Tuuli Cave National Park, Mount Rushmore and Custer State Park.
Yksinkertaisesti sanottuna. Today is much warmer than average for lokakuu. The forecast high of 30°C is 11.7°C above the 18°C typical for this month. The best window ja be outside is roughly 10 AM ja 1 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in South Dakota today at 9.9/10. 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.
Quick facts about South Dakota
| Tyyppi | State |
|---|---|
| Maa | Yhdysvallat |
| Maanosa | Pohjois-Amerikka |
| Koordinaatit | 44°22′5.9″N 100°21′3.6″W (44.3683, -100.351) |
| Capital | Pierre |
| Väkiluku | 920.000 |
| Area | 199.729 km² |
| Abbreviation | SD |
| Aikavyöhyke | America/Chicago |
| Paikallinen aika | 2:28 AM (UTC-05:00) |
| Best months | kesäkuu, heinäkuu, elokuu and syyskuu |
| Ilmasto | Maanosaal |
Sää map for South Dakota
Animated model layers. Pick a layer ja load it.
Animated layers by Tuuliy. For pin-level detail and nearby places, see the interactive map below.
Explore South Dakota
Every topic we hold for this place, and the same topic for the places around it.
Ilmasto for related places
Frequently asked questions
Where is South Dakota?
South Dakota is a state in Yhdysvallat. Its coordinates are 44.3683, -100.351. It lies in Pohjois-Amerikka.
What is the weather like in South Dakota nyt?
It is currently 18°C (64°F) ja selkeä. Kosteus is 75% and wind is 14 km/h.
When is the best time ja visit South Dakota?
kesäkuu, heinäkuu, elokuu and syyskuu offer the most comfortable conditions in South Dakota, which has a continental climate. tammikuu, helmikuu and joulukuu 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 2:28 AM.
How many people live in South Dakota?
South Dakota has a population of approximately 920.000.
What are the top things ja do in South Dakota?
Popular options include Badlands National Park, Tuuli 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, Tuuli 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. |
|---|---|
| Ennuste and observations | Open-Meteo (ECMWF and national models). |
| Ilmanlaatu and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Ilmasto averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Sää 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 lokakuu 23, 2026 at 2:28 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





