South Dakota, United States Weather

South Dakota,  Weather
(Photo by Matan Levanon on Unsplash)

Current conditions

Updated:
18°C
64.4°F
°C °F

Condition: Clear Sky

Pressure: 955 hPa

Feel like: 16 °C

Temperature: 18°C

Cloud: 0%

Humidity: 55%

Wind: N - 8 km/h

Visibility: 33.6 km

Weather forecast

Fri
26 Jun
15°C / 28°C
Slight Rain
Sat
27 Jun
18°C / 31°C
Slight Thunderstorm
Sun
28 Jun
21°C / 41°C
Mainly Clear
Mon
29 Jun
23°C / 37°C
Overcast
Tue
30 Jun
21°C / 36°C
Drizzle
Hourly forecast today:
04:00 AM
9° / 18°
9° / 18°
Clear Sky
55% 9 km/h
05:00 AM
10° / 17°
10° / 17°
Clear Sky
65% 18 km/h
06:00 AM
10° / 16°
10° / 16°
Clear Sky
66% 16 km/h
07:00 AM
10° / 16°
10° / 16°
Overcast
66% 17 km/h
08:00 AM
9° / 17°
9° / 17°
Overcast
63% 16 km/h
09:00 AM
9° / 16°
9° / 16°
Overcast
65% 21 km/h
10:00 AM
10° / 16°
10° / 16°
Overcast
70% 4 km/h
11:00 AM
9° / 14°
9° / 14°
Overcast
71% 3 km/h
12:00 PM
10° / 15°
10° / 15°
Overcast
72% 6 km/h
13:00 PM
10° / 17°
10° / 17°
Overcast
64% 12 km/h
14:00 PM
10° / 19°
10° / 19°
Overcast
57% 10 km/h

30 Day Averages and Extremes

  • Average high 30.17°C
  • Average low 16.47°C
  • Hottest day 45°C (04 July 2026)
  • Coldest day 8°C (15 June 2026)
  • Average humidity 49.63%
  • Days with precipitation 22 days
  • Highest precipitation 62 mm (21 June 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 12°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in South Dakota over the next 12 hours

Temperature and possibility of rain in South Dakota in the coming days

Rainfall in South Dakota in the coming days

South Dakota Climate Summary

South Dakota features a Humid continental, no dry season, hot summer (Köppen classification: Dfa), with an average annual temperature of 10.25ºC (50.45ºF), which is about -2.39% lower than the national average for United States. Annually, the city experiences approximately 36.74 millimeters (1.45 inches) of rainfall, spread across 78.63 rainy days, accounting for 21.54% of the year.

Longitude 43.9695148
Latitude -99.9018131
Yearly high temperature 13.99ºC (57.18ºF)
Yearly low temperature 4.58ºC (40.24ºF)
Hottest month July 31.08ºC (87.94ºF)
Coldest month January -11.12ºC (11.98ºF)
Yearly precip 36.74mm (1.45in)
Days with rainfall 78.63 days (21.54%)
Driest month November (64.58%)
Wettest month May (66.57%)

Weather averages by month

Month High / Low (°C) Rain
January -3.86° / -11.12° 3.64 days
February -2.08° / -9.49° 4.82 days
March 6.82° / -1.55° 4.91 days
April 13.2° / 3.59° 9.27 days
May 19.74° / 9.78° 11.45 days
June 26.73° / 16.03° 10.91 days
July 31.08° / 19.24° 9.18 days
August 29.81° / 17.77° 8.36 days
September 25.08° / 13.49° 5.36 days
October 15.3° / 5.96° 4.45 days
November 7.33° / -0.92° 2.55 days
December -1.23° / -7.85° 3.73 days

Frequently asked questions

1. What is the hottest month in South Dakota?

July has the highest average monthly temperature (daily mean of 31.08ºC) and January are the coolest (daily mean of -11.12ºC).

2. What should I wear in South Dakota today?

For today's very hot weather in South Dakota, with the high temperatures above 25ºC (77.0ºF), consider wearing:
- UV-protective sunglasses
- Breathable shorts or skirts
- Open-toed sandals or light sneakers
- Sunscreen for skin protection

Temperature

Early
9°C / 19°C
Morning
9°C / 16°C
Afternoon
10°C / 20°C
Evening
7°C / 25°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 434
  • CO 98
  • NH3 0
  • NO2 8
  • O3 45
  • PM10 3
  • PM25 3
  • SO2 0
  • CH4 1,367

Sunrise / Sunset

10:58
02:26