Best Time to Visit Sioux Falls
Best time: Jul, Aug, Jun, May.
Jul is warmest (30.1°C high); Jun is rainiest (90 mm).
See the best things to do in Sioux Falls →
See the best things to do in Sioux Falls →
Sioux Falls weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -4.2 | -15.5 | 13 | 2.5 |
| Feb | -0.3 | -11.4 | 16 | 3.9 |
| Mar | 6.4 | -5 | 41 | 6 |
| Apr | 14.8 | 1.6 | 63 | 7.7 |
| May | 22 | 8.3 | 77 | 8.9 |
| Jun | 27.3 | 13.8 | 90 | 10 |
| Jul | 30.1 | 16.7 | 73 | 10.4 |
| Aug | 28.7 | 15.3 | 75 | 9 |
| Sep | 23.8 | 9.5 | 73 | 7.1 |
| Oct | 16.3 | 2.5 | 45 | 4.7 |
| Nov | 5.4 | -5.3 | 28 | 2.8 |
| Dec | -1.8 | -12.5 | 17 | 2.2 |
Average high temperature
Best months by activity
Overall: JulAugJunMay
Beaches: JulAugJunFeb
Hiking: OctMayAprSep
Sightseeing: JulAugMayJun
Sioux Falls quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Sioux Falls?
Jul, Aug, Jun, May.
What is the rainiest month?
Jun, about 90 mm.
What is the warmest month?
Jul, with average highs of 30.1°C.
Where to stay
See Sioux Falls hotels · Book Sioux Falls tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.