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: Partly Cloudy
Pressure: 952 hPa
Feel like: 14 °C
Temperature: 16°C
Cloud: 63%
Humidity: 59%
Wind: W - 9 km/h
Visibility: 32.4 km
30 Day Averages and Extremes
- Average high 12.67°C
- Average low 3.93°C
- Hottest day 19°C (24 October 2026)
- Coldest day 0°C (05 November 2026)
- Average humidity 71.1%
- Days with precipitation 12 days
- Highest precipitation 45 mm (26 October 2026)
Yesterday's Data
- Max: 9°C
- Min: 0°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 mild weather in South Dakota, with temperatures between 13ºC to 16ºC (55.4ºF to 60.8ºF), consider wearing:
- Light jacket (for cooler periods)
- Lightweight sweater or cardigan
- Sun hat (if spending time outdoors)
- Casual sneakers or loafers
Temperature
Air quality
Satisfactory air quality, minimal pollution, low risk
- CO2 448
- CO 116
- NH3 0
- NO2 1
- O3 52
- PM10 0
- PM25 0
- SO2 0
- CH4 1,397