Sioux City Weather in August

What's the weather like in Sioux City (Iowa) in August 2024?

The climate in Sioux City during August can be summarized as warm, humid and reasonably dry.

August is in the summer in Sioux City and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 16°C (62°F) is normal.

Sioux City weather averages (imperial / metric)
Daytime temperature 28.8°C 83.8°F
Nightly temperature 16.4°C 61.5°F
Average temperature 22.6°C 72.7°F
Daily sunshine 10.2 hrs
Avg rainfall 75 mm 3 ins
Rainy days 9 days
Sea temperature 19°C 66.1°F
Humidity 71%
Windspeed 15.8kph 10 mph

On average August is the 4th wettest month of the year in Sioux City with around 75mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.2 hours of sunshine per day.

August temperatures in Sioux City

Sioux City average temperature in August

August rainfall

Sioux City average rain in August

August hourly sunshine

Sioux City average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sioux City in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Sioux City weather stats

Sioux City weather statistics
Hottest month: July 30.2°C 86.4°F
Driest month: January 14mm 0.6ins
Sunniest month: July 11.5hrs
Coldest month: January -2.7°C 27.1°F
Wettest month: June 95mm 3.7ins
Map showing location of Sioux City (42.49999, -96.40031) Sioux City map pin © Google

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