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Sioux City weather in August (Iowa, United States of America)

What weather conditions can you expect in Sioux City this August? Is now the perfect time to visit? Find all the weather insights for this month on this page.

Temperatures

The month of August in Sioux City typically brings high temperatures and high rainfall. Enjoy the summer season during this month. Throughout the daytime, temperatures often hover around 29°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 16°C.

Precipitation

Sioux City in August usually receives high rainfall, averaging around 104 mm for the month. Climate statistics over the past 30 years suggest around 11 days of rain.

In case you lean more towards enjoying temperate temperatures and rain-free days September typically offers the most optimal weather. In contrast, January, February, March and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Sioux City climate page with graphs.

 

Sioux City, monthly averages in August

Min TemperatureMin Temperature 16°C  
Max TemperatureMax Temperature 29°C  
Chance of RainChance of Rain 37%  
PrecipitationPrecipitation 104 mm  
Rainy daysRainy days 11 days  

Where to go in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Sioux City.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.