Sioux City weather in August
Warm and pleasant, with occasional showers. Average highs of 28°C and lows of 18°C, with around 9 rainy days expected throughout the month.
✦ This is a recommended month to visit Sioux City. The combination of weather, atmosphere and experience is at its best.
Average high
28°C
Average low
18°C
Rainy days
9 days
Best months to visit
June, July, August, September
What to do in Sioux City in August
Whatever the weather, Sioux City rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
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
-1C
Cold, with occasional showers.
February
0C
Cold, with occasional showers.
March
9C
Cold, with occasional showers.
April
15C
Cool, with occasional showers.
May
22C
Mild and comfortable, with some rainy days.
Recommended
June
28C
Warm and pleasant, with some rainy days.
Recommended
July
29C
Warm and pleasant, with occasional showers.
Recommended
August (you are here)
28C
Warm and pleasant, with occasional showers.
Recommended
September
25C
Warm and pleasant, with occasional showers.
October
16C
Cool, with occasional showers.
November
8C
Cold, with occasional showers.
December
2C
Cold, with occasional showers.
Book your August trip to Sioux City
Find hotels, tours and experiences for the perfect escape.
