Hilton Head Island Weather



Average Temperature by Month
Month Average Low Average High
January 40°F / 4°C 59°F / 15°C
February 41°F / 5°C 61°F / 16°C
March 48°F / 9°C 68°F / 20°C
April 56°F / 13°C 76°F / 24°C
May 64°F / 18°C 83°F / 28°C
June 70°F / 21°C 87°F / 31°C
July 74°F / 23°C 89°F / 32°C
August 74°F / 23°C 89°F / 32°C
September 69°F / 21°C 85°F / 29°C
October 59°F / 15°C 77°F / 25°C
November 49°F / 9°C 69°F / 20°C
December 42°F / 6°C 61°F / 16°C