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: Mainly Clear
Pressure: 953 hPa
Feel like: 11 °C
Temperature: 13°C
Cloud: 26%
Humidity: 61%
Wind: E - 6 km/h
Visibility: 29.0 km
30 Day Averages and Extremes
- Average high 26.57°C
- Average low 14.03°C
- Hottest day 45°C (04 July 2026)
- Coldest day 8°C (15 June 2026)
- Average humidity 60.83%
- Days with precipitation 21 days
- Highest precipitation 65 mm (21 June 2026)
Yesterday's Data
- Max: 24°C
- Min: 13°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 25ºC (77.0ºF), consider wearing:
- Breathable shorts or skirts
- Open-toed sandals or light sneakers
- Wide-brimmed sun hat
- Lightweight t-shirt or tank top
Temperature
Air quality
Satisfactory air quality, minimal pollution, low risk
- CO2 438
- CO 98
- NH3 0
- NO2 6
- O3 36
- PM10 2
- PM25 2
- SO2 0
- CH4 1,384