Hillsboro Weather in August

What's the weather like in Hillsboro (Illinois) in August 2024?

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

August is in the summer in Hillsboro and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 17°C (63°F) is normal.

Hillsboro weather averages (imperial / metric)
Daytime temperature 30.1°C 86.2°F
Nightly temperature 17.1°C 62.8°F
Average temperature 23.6°C 74.5°F
Daily sunshine 9.9 hrs
Avg rainfall 81 mm 3.2 ins
Rainy days 8 days
Sea temperature 22°C 71.6°F
Humidity 72%
Windspeed 13kph 8 mph

On average August is the 4th driest month of the year in Hillsboro with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.9 hours of sunshine per day.

August temperatures in Hillsboro

Hillsboro average temperature in August

August rainfall

Hillsboro average rain in August

August hourly sunshine

Hillsboro 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 Hillsboro in August 2024.