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Iowa United States of America
Temperatures in August
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Temperature in Iowa in August

Iowa is a region in the United States of America. In August the average maximum daytime temperatures are high and range from 27°C in Mason City to 30°C in Keokuk. Nighttime temperatures generally drop to 19°C in Keokuk and 15°C in Mason City. August falls during the summer season.

What is the temperature of the different cities in Iowa in August?

Find the average daytime temperatures in August for the most popular destinations in Iowa on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in August in Iowa?
    • Based on our systematic data collection, Keokuk has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 30°C, while at night is goes down to an approximate temperature of 19°C."

  • What is the coldest city in August in Iowa?
    • When looking through our records, we find that Mason City stands out as the coolest city in Iowa for the month of August. Daytime highs average 27°C and it cools down to about 15°C at night.

  • How much sun does Iowa get in August?
    • Des Moines enjoys approximately 299 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

    Interested in more climate information?

    We have much more information about the climate in Iowa. Interested in the weather conditions in a specific month? Select the month below.

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