Onawa Weather in August

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

The climate in Onawa during August can be summarized as warm, humid and a little damp.

August is in the summer in Onawa 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 (60°F) is normal.

Onawa weather averages (imperial / metric)
Daytime temperature 28.9°C 83.9°F
Nightly temperature 15.8°C 60.4°F
Average temperature 22.3°C 72.1°F
Daily sunshine 10.2 hrs
Avg rainfall 86 mm 3.4 ins
Rainy days 9 days
Sea temperature 19°C 66.1°F
Humidity 71%
Windspeed 15.5kph 10 mph

On average August is the 4th wettest month of the year in Onawa with around 86mm 3.4 inches of rain making it a a little 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 10.2 hours of sunshine per day.

August temperatures in Onawa

Onawa average temperature in August

August rainfall

Onawa average rain in August

August hourly sunshine

Onawa 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 Onawa in August 2024.