Denison Weather in August

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

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

August is in the summer in Denison and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 15°C (59°F) is normal.

Denison weather averages (imperial / metric)
Daytime temperature 28.3°C 82.9°F
Nightly temperature 15.2°C 59.3°F
Average temperature 21.7°C 71.1°F
Daily sunshine 10.2 hrs
Avg rainfall 102 mm 4 ins
Rainy days 9 days
Sea temperature 19.1°C 66.4°F
Humidity 71%
Windspeed 15.1kph 9 mph

On average August is the 4th wettest month of the year in Denison 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 10.2 hours of sunshine per day.

August temperatures in Denison

Denison average temperature in August

August rainfall

Denison average rain in August

August hourly sunshine

Denison 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 Denison in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Denison weather stats

Denison weather statistics
Hottest month: July 29.6°C 85.3°F
Driest month: January 18mm 0.7ins
Sunniest month: July 11.5hrs
Coldest month: January -2.9°C 26.8°F
Wettest month: June 115mm 4.5ins
Map showing location of Denison (42.01777, -95.35528) Denison map pin © Google

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