South Dakota, United States Weather

  1. South Dakota, United States Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in South Dakota over the next 12 hours
  7. Temperature and possibility of rain in South Dakota in the coming days
  8. Rainfall in South Dakota in the coming days
  9. South Dakota Weather Summary
  10. Weather averages by month
  11. South Dakota's weather
  12. Frequently asked questions
  13. Comments
South Dakota, Weather
(Photo by Matan Levanon on Unsplash)

Current conditions

Updated:
6°C
42.8°F
°C °F

Condition: Overcast

Pressure: 946 hPa

Feel like: 2 °C

Temperature: 6°C

Cloud: 100%

Humidity: 50%

Wind: NNW - 9 km/h

Visibility: 24.14 km

Weather forecast

Tue
17 Feb
3°C / 11°C
Drizzle
Wed
18 Feb
0°C / 12°C
Drizzle
Thu
19 Feb
-6°C / 6°C
Moderate Snowfall
Fri
20 Feb
-8°C / -3°C
Snow Fall Slight
Sat
21 Feb
-8°C / 0°C
Snow Fall Slight
Hourly forecast today:
11:00 AM
-3° / 6°
-3° / 6°
Overcast
50% 10 km/h
12:00 PM
-3° / 5°
-3° / 5°
Partly Cloudy
52% 8 km/h
13:00 PM
-3° / 5°
-3° / 5°
Clear Sky
53% 7 km/h
14:00 PM
-3° / 5°
-3° / 5°
Clear Sky
53% 6 km/h
15:00 PM
-3° / 6°
-3° / 6°
Clear Sky
48% 7 km/h
16:00 PM
-3° / 9°
-3° / 9°
Clear Sky
42% 12 km/h
17:00 PM
-2° / 10°
-2° / 10°
Clear Sky
38% 13 km/h
18:00 PM
-2° / 12°
-2° / 12°
Clear Sky
35% 14 km/h
19:00 PM
-2° / 14°
-2° / 14°
Clear Sky
31% 16 km/h
20:00 PM
-2° / 15°
-2° / 15°
Clear Sky
29% 18 km/h
21:00 PM
-2° / 15°
-2° / 15°
Clear Sky
28% 19 km/h

30 Day Averages and Extremes

  • Average high 5.7°C
  • Average low -5.07°C
  • Hottest day 18°C (08 February 2026)
  • Coldest day -18°C (30 January 2026)
  • Average humidity 71.37%
  • Days with precipitation 13 days
  • Highest precipitation 15 mm (18 February 2026)

Yesterday's Data

  • Max: 16°C
  • Min: 2°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

South Dakota's weather

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 mild weather in South Dakota, with temperatures between 12ºC to 15ºC (53.6ºF to 59.0ºF), consider wearing:
- Light jacket (for cooler periods)
- Comfortable jeans or slacks
- Cotton socks
- Long-sleeve shirt or blouse

Temperature

Early
0°C / 10°C
Morning
-3°C / 7°C
Afternoon
-3°C / 6°C
Evening
-2°C / 15°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 173
  • NH3 0
  • NO2 4
  • O3 41
  • PM10 3
  • PM25 3
  • SO2 0
  • CH4 0

Sunrise / Sunset

13:36
00:10