Galveston Weather in August

The climate in Galveston during August can be summarized as very hot, humid and damp.

August is in the summer in Galveston and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 26°C (78°F) is normal.

On average August is the 3rd wettest month of the year in Galveston with around 110mm 4.3 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 9.6 hours of sunshine per day.

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 Galveston in August 2024.