Climate almanac
Sioux Falls
South Dakota, US · 43.54°, -96.73°
What is the climate like in Sioux Falls?
The best time to visit Sioux Falls is typically June – September, with trip comfort peaking in September (7.3/10). Sioux Falls is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 13°F (-11°C). The wettest month is typically May and the driest is February; the year sees roughly 31 in of precipitation.
- Best time to visitJune – September — comfort peaks in September (7.3/10)
- Warmest monthJuly — average high 85°F (29°C)
- Coolest monthJanuary — average low 13°F (-11°C)
- Wettest monthMay (4.4 in)
- Driest monthFebruary (0.9 in)
- Annual precipitation31 in