Iowa City Weather in August

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

The climate in Iowa City during August can be summarized as warm, humid and damp.

August is in the summer in Iowa 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 17°C (62°F) is normal.

Iowa City weather averages (imperial / metric)
Daytime temperature 28.8°C 83.8°F
Nightly temperature 16.7°C 62°F
Average temperature 22.7°C 72.9°F
Daily sunshine 10 hrs
Avg rainfall 102 mm 4 ins
Rainy days 9 days
Sea temperature 20.1°C 68.2°F
Humidity 73%
Windspeed 13.7kph 9 mph

On average August is the 3rd wettest month of the year in Iowa City with around 102mm 4 inches of rain making it a damp 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 hours of sunshine per day.

August temperatures in Iowa City

Iowa City average temperature in August

August rainfall

Iowa City average rain in August

August hourly sunshine

Iowa 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 Iowa City in August 2024.