Weather in Hilton Head Island

Hilton Head Island enjoys a mild, coastal climate that supports year-round outdoor living and tourism. Characterized by warm summers, temperate winters, and refreshing ocean breezes, the island’s weather is ideal for beachgoing, golf, tennis, cycling, and water activities in every season. Seasonal changes are gradual, with abundant sunshine throughout the year and cooling influences from the Atlantic Ocean that moderate extreme temperatures.

weather on Hilton Head, SC
Month
Avg. High (°F)
Avg. Low (°F)
Rainfall (inches)
Seasonal Notes
January
60
40
3.4
Cool, quiet season ideal for golf and walking trails.
February
63
42
3.2
Mild winter weather with increasing daylight.
March
69
48
3.9
Early spring brings warmer days and blooming landscapes.
April
76
55
3.0
One of the most pleasant months; peak outdoor season.
May
82
62
3.1
Warm, sunny weather with low humidity.
June
87
70
5.5
Summer begins; beach and water activities peak.
July
90
73
5.8
Hottest month; afternoon coastal breezes common.
August
89
72
6.5
Warm and humid with brief afternoon thunderstorms.
September
85
68
6.2
Late summer warmth with fewer crowds.
October
78
58
3.8
Comfortable temperatures and low humidity.
November
70
49
2.6
Cooler evenings; excellent for outdoor dining and golf.
December
63
43
3.1
Mild winter climate with festive seasonal atmosphere.