Marengo Weather in July

What's the weather like in Marengo (Iowa) in July 2024?

The climate in Marengo during July can be summarized as hot, humid and damp.

July is in the summer in Marengo and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 18°C (64°F) is normal.

Marengo weather averages (imperial / metric)
Daytime temperature 29.7°C 85.5°F
Nightly temperature 17.7°C 63.9°F
Average temperature 23.7°C 74.7°F
Daily sunshine 11.1 hrs
Avg rainfall 110 mm 4.3 ins
Rainy days 10 days
Sea temperature 17.2°C 62.9°F
Humidity 71%
Windspeed 14.4kph 9 mph

On average July is the 3rd wettest month of the year in Marengo with around 110mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.1 hours of sunshine per day.

July temperatures in Marengo

Marengo average temperature in July

July rainfall

Marengo average rain in July

July hourly sunshine

Marengo average rain in July

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 Marengo in July 2024.