Selected Quick Reference Climatic Information
for Sioux Falls and South Dakota
| Temperature | Sioux Falls | South Dakota |
|---|---|---|
| Record High |
110 F Jun 21,1988 |
120 F 17 WSW Ft. Pierre Jul 15, 2006 4 NW Gann Valley Jul 5, 1936 |
| Record Low | -42 F Feb 9, 1899 | -58 F McIntosh Feb 17, 1936 |
| Warmest Year | 50.6 in 1931 | 50.2 1931 State Average |
| Coldest Year | 40.9 in 1917 | 41.8 1917 State Average |
|
Warmest Month |
84.5 in Jul 1936 |
87.7 (Pierre) in Jul 1936 84.3 in Jul 1936 State Average |
| Coldest Month (Coldest Avg High/Low) |
0.5 in Feb 1936 |
-11.0 (Pollock) in Feb. 1936 -3.6 in Feb 1936 State Average |
| Warmest Summer | 77.8 in 1936 | 77.6 in 1936 (State Average) |
| Coldest Summer | 63.8 in 1915 | |
| Coldest Winter | 8.0 in 1978-79 | 8.6 in 1935-36 (State Average) |
| Warmest Winter | 28.7 in 1930-31 | |
| Precipitation | Sioux Falls | South Dakota |
| Wettest Year | 39.54" in 2019 | |
| Driest Year | 10.53" in 1894 | |
| Wettest Month | 13.70" in Jun 2014 | |
| Driest Month | 0.00" in Nov 2014 | |
| Wettest Day | 4.59" on Aug 1, 1975 | |