Shelby Weather in August

What's the weather like in Shelby (Michigan) in August 2025?

The climate in Shelby during August can be summarized as warm, humid and reasonably dry.

August is in the summer in Shelby and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 16°C (60°F) is normal.

Shelby weather averages (imperial / metric)
Daytime temperature 26.5°C 79.6°F
Nightly temperature 15.8°C 60.4°F
Average temperature 21.1°C 70°F
Daily sunshine 8.9 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 9 days
Sea temperature 22.3°C 72.2°F
Humidity 74%
Windspeed 12.6kph 8 mph

On average August is the 2nd wettest month of the year in Shelby with around 78mm 3.1 inches of rain making it a reasonably dry 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 8.9 hours of sunshine per day.

August temperatures in Shelby

Shelby average temperature in August

August rainfall

Shelby average rain in August

August hourly sunshine

Shelby 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 Shelby in August 2025.