Live rain radar coverage across South Dakota, United States.
The live map below is centred on Sioux Falls. Zoom out or drag it to follow rain anywhere in the region.
Rain in Sioux Falls by month
Sioux Falls gets about 668 mm (26.3 in) of rain in an average year. The wettest month is June, with 107 mm (4.2 in), and the driest is January, with 12 mm (0.5 in).
| Month | Average rain | Average temperature |
|---|---|---|
| January | 12 mm (0.5 in) | -7.7 °C (18 °F) |
| February | 18 mm (0.7 in) | -6.1 °C (21 °F) |
| March | 34 mm (1.3 in) | 1.5 °C (35 °F) |
| April | 72 mm (2.8 in) | 8.4 °C (47 °F) |
| May | 90 mm (3.5 in) | 15.0 °C (59 °F) |
| June | 107 mm (4.2 in) | 21.2 °C (70 °F) |
| July | 74 mm (2.9 in) | 24.5 °C (76 °F) |
| August | 83 mm (3.3 in) | 22.6 °C (73 °F) |
| September | 77 mm (3.0 in) | 17.9 °C (64 °F) |
| October | 55 mm (2.2 in) | 8.9 °C (48 °F) |
| November | 23 mm (0.9 in) | 1.6 °C (35 °F) |
| December | 23 mm (0.9 in) | -5.4 °C (22 °F) |
Long-term monthly averages from NASA POWER (MERRA-2 satellite reanalysis). They describe the wider area around Sioux Falls and can differ slightly from local weather-station records.