Typical Weather in Sioux Falls, SD in August
82° F Avg High
61° F Avg Low
7 Rainy Days
☀️ Temperature Summary
August is a popular time of year to visit, with an inviting climate characterized by warm temperatures. August is one of the warmer months of the year for Sioux Falls, with highs averaging around 82°F. Overnight lows will be around 61°F on average. Daily high temperatures can range between 84°F and 79°F for the month of August.
August is a great time to visit Sioux Falls, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In August you can expect close to a 21% chance of rain for any given day. It rains more than usual in August, with total rainfall for the month typically near 4 inches.
Rainfall Throughout the Year
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