Hilton Head Island Weather in July

The climate in Hilton Head Island during July can be summarized as hot, humid and wet.

July is in the summer in Hilton Head Island and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 23°C (73°F) is normal.

On average July is the 2nd wettest month of the year in Hilton Head Island with around 171mm 6.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.5 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 Hilton Head Island in July 2024.