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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Hilton Head Island, SC
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March
Average Temperature
High
19°
Feels 19
Low
11°
Feels 10
Average Precipitation
8 Days
Rain amount
70.5mm
Snow amount
0cm
Daily Historical Averages
March 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
14°
19
17°
20
20°
21
24°
22
25°
23
25°
24
17°
25
21°
26
23°
27
24°
28
22°
29
21°
30
23°
31
23°
Forecast
Wednesday, March 18, 2026
Day
14°
Feels 13
Wind
21 km/h E
Gust
32 km/h
Humidity
50%
P.O.P
20%
Night
6°
Feels 4
Wind
14 km/h N
Gust
21 km/h
Humidity
74%
P.O.P
10%
Historical Averages
Mar 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.