August Rainfall and Precipitation in Iowa

Average rainfall, rainy days and the driest cities in Iowa, the United States of America in August.

Iowa, the United States of America, a region in the United States of America, experiences precipitation in August ranging from moderate in Keokuk (82 mm (3.2 in)) to high in Creston (158 mm (6.2 in)). During August, summer is in full swing.

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For a detailed overview over the year and the best time to visit Iowa, check out our Iowa's climate page.

See also: Iowa weather by month.

Best Places to Visit in Iowa in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Iowa.

Conditions Temperatures Precipitation
Monthly precipitation 0 mm (0 in) dry → 150 mm (5.9 in) wet

Marker color shows total monthly precipitation in August: pale blue is dry, deep blue is wet.

See all August weather averages, cities and regions in Iowa

Iowa precipitation in August: frequently asked questions

How much rainfall does Iowa, the United States of America receive in August?

August in West Des Moines is marked by substantial rain, totaling an average of 116 mm (4.6 in). Rapid weather changes are common due to the frequent precipitation.

How many days does it rain in Iowa, the United States of America in August?

Rainfall in West Des Moines typically falls on roughly 11 days days in August.

Is August part of the rainy season in Iowa, the United States of America?

Not really. August is outside the wettest stretch of the year in Iowa, the United States of America.

What is the wettest city in August in Iowa, the United States of America?

In our database, Creston stands out as having an average rainfall level of 158 mm (6.2 in), making it the wettest location.

What is the driest city in August in Iowa, the United States of America?

Keokuk is the driest city we have data for in Iowa, the United States of America in August, with monthly rainfall close to 82 mm (3.2 in).

Interested in more climate information?

We have much more information about the climate in Iowa.

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