State in Yhdysvallat

South Dakota Ilmasto and Average Sää

Ilmasto of South Dakota: average temperatures, rainfall and seasons month by month.

🌙 18°C now🕔 2:28 AM local📅 Best: kesäkuu, heinäkuu, elokuu and syyskuu👥 920.000

Ilmasto in South Dakota month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

tamhelmaahuhtoukesheielosyylokmarjouLine: average high · Bars: rainfall
KuukausiAvg highAvg lowSadefallRating
tammikuu-2°-12°11 mm★★☆☆☆
helmikuu4°-7°8 mm★★☆☆☆
maaliskuu10°-3°16 mm★★★☆☆
huhtikuu15°3°73 mm★★★☆☆
tou21°10°91 mm★★★★☆
kesäkuu27°16°96 mm★★★★☆
heinäkuu31°20°49 mm★★★★★
elokuu29°18°69 mm★★★★☆
syyskuu26°15°48 mm★★★★☆
lokakuu18°7°37 mm★★★★☆
marraskuu8°-1°18 mm★★★☆☆
joulukuu4°-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.

Hottest day39°Ckes 20, 2025
Coldest night-28°Ctam 13, 2024
Wettest day74 mmkes 25, 2025

How South Dakota compares ja nearby places

Annual averages, and the difference against South Dakota.

PlaceDistanceAvg tempvs hereAnnual rain
North Dakota273 km7°C3°C cooler590 mm
Theodore Roosevelt National Park382 km8°C2°C cooler409 mm
Nebraska495 km13°C+3°C warmer822 mm
Omaha499 km13°C+2°C warmer850 mm
Itasca State Park510 km6°C4°C cooler692 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.

tammikuu★★☆☆☆
helmikuu★★☆☆☆
maaliskuu★★★☆☆
huhtikuu★★★☆☆
tou★★★★☆
kesäkuu★★★★☆
heinäkuu★★★★★
elokuu★★★★☆
syyskuu★★★★☆
lokakuu★★★★☆
marraskuu★★★☆☆
joulukuu★★☆☆☆

What this means for South Dakota

Compared ja normal

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 chance explained

Sade is very unlikely today - plans do not need a backup.

Matkailu and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in kesäkuu ja elokuu.

Worth knowing

The gap between the warmest and coldest month averages 33°C.

What ja pack, what ja skip

Pack for the next 7 days
  • 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
Worth avoiding
  • 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

TyyppiState
MaaYhdysvallat
MaanosaPohjois-Amerikka
Koordinaatit44°22′5.9″N 100°21′3.6″W (44.3683, -100.351)
CapitalPierre
Väkiluku920.000
Area199.729 km²
AbbreviationSD
AikavyöhykeAmerica/Chicago
Paikallinen aika2:28 AM (UTC-05:00)
Best monthskesäkuu, heinäkuu, elokuu and syyskuu
IlmastoMaanosaal

Sää map for South Dakota

Animated model layers. Pick a layer ja load it.

Loading map…

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 dataUSPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts.
Ennuste and observationsOpen-Meteo (ECMWF and national models).
Ilmanlaatu and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Ilmasto averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Sää Service.
MethodScores, 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.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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