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Precipitation
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°Fahrenheit
Monthly Historical Averages
Hilton Head Island, SC
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May
Average Temperature
High
26°
Feels 28
Low
19°
Feels 19
Average Precipitation
10 Days
Rain amount
89.1mm
Snow amount
0cm
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
19°
3
21°
4
23°
5
25°
6
26°
7
27°
8
22°
9
24°
10
25°
11
26°
12
27°
13
27°
14
27°
15
28°
16
28°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Saturday, May 2, 2026
Day
19°
Feels 19
Wind
21 km/h N
Gust
32 km/h
Humidity
80%
P.O.P
100%
Rain
25-35 mm
Night
12°
Feels 11
Wind
17 km/h N
Gust
25 km/h
Humidity
89%
P.O.P
30%
Historical Averages
May 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.