How is the weather in hilton head, sc?
<answer> Over the course of the year, the temperature typically varies from 42°F to 89°F and is rarely below 30°F or above 95°F. <context> Average Weather in Hilton Head Island South Carolina, United States. In Hilton Head Island, the summers are hot and oppressive, the winters are cold and windy, and it is wet and partly cloudy year round. Over the course of the year, the temperature typically varies from 42°F to 89°F and is rarely below 30°F or above 95°F.