South Dakota, United States Weather
- South Dakota, United States Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- 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 Weather Summary
- Weather averages by month
- South Dakota's weather
- Frequently asked questions
- Comments
Current conditions
Condition: Clear Sky
Pressure: 944 hPa
Feel like: 23 °C
Temperature: 20°C
Cloud: 11%
Humidity: 89%
Wind: SSW - 5 km/h
Visibility: 12.9 km
30 Day Averages and Extremes
- Average high 30.8°C
- Average low 17.4°C
- Hottest day 39°C (25 July 2026)
- Coldest day 9°C (05 August 2026)
- Average humidity 61.13%
- Days with precipitation 21 days
- Highest precipitation 35 mm (13 August 2026)
Yesterday's Data
- Max: 31°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 |
South Dakota's weather
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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 30ºC (86.0ºF), consider wearing:
- Sleeveless tops or vests
- Airy sandals or flip-flops
- Light, natural fabrics (like cotton or linen)
- Lightweight, loose-fitting shorts
Temperature
Air quality
Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals
- CO2 434
- CO 122
- NH3 0
- NO2 15
- O3 20
- PM10 10
- PM25 10
- SO2 0
- CH4 1,365