Sioux Falls weather in August
Warm and pleasant, with some rainy days. Average highs of 27°C and lows of 17°C, with around 10 rainy days expected throughout the month.
✦ This is a recommended month to visit Sioux Falls. The combination of weather, atmosphere and experience is at its best.
Average high
27°C
Average low
17°C
Rainy days
10 days
Best months to visit
June, July, August, September
What to do in Sioux Falls in August
Whatever the weather, Sioux Falls rewards curious visitors. Here are some of the best ways to spend your time:
Hike trails to multiple waterfall viewing areas
Explore Falls Park's scenic riverside paths and gardens
Visit the Sioux Falls Art Museum in a historic building
Tour nearby historic sites like Fort Sumter battlefield
Paddleboard the Big Sioux River
Shop and dine in downtown's walkable core
What to pack for August
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
-3C
Cold, with occasional showers.
February
-1C
Cold, with occasional showers.
March
7C
Cold, with occasional showers.
April
13C
Cool, with occasional showers.
May
20C
Mild and comfortable, with some rainy days.
Recommended
June
27C
Warm and pleasant, with some rainy days.
Recommended
July
28C
Warm and pleasant, with occasional showers.
Recommended
August (you are here)
27C
Warm and pleasant, with some rainy days.
Recommended
September
24C
Mild and comfortable, with occasional showers.
October
15C
Cool, with occasional showers.
November
7C
Cold, with occasional showers.
December
0C
Cold, with occasional showers.
Book your August trip to Sioux Falls
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