Monthly Historical AveragesHilton Head Island, SC
Average Temperature
High
19°
Feels 19
Low
11°
Feels 10
Average Precipitation
8 Days
70.5mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, March 18, 2026
Day
14°Feels 13
Wind
15 km/h E
Gust
22 km/h
Humidity
49%
P.O.P
20%
Night
6°Feels 4
Wind
14 km/h N
Gust
21 km/h
Humidity
74%
P.O.P
10%
Historical AveragesMar 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity