Weather · Hilton Head, United States
Hilton Head Weather in May
May in Hilton Head averages 26°C by day and 19°C at night, with about 64mm of rain. That makes it one of the best months to visit.
Avg high
26°C
79°F
Avg low
19°C
66°F
Rainfall
64mm
#11 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in Hilton Head builds it around the season for you.