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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Hilton Head Island - Seacrest, SC
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Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
22°
9
25°
10
25°
11
26°
12
21°
13
24°
14
27°
15
26°
16
26°
17
26°
18
27°
19
28°
20
28°
21
28°
22
28°
23
24
25
26
27
28
29
30
31
Forecast
Friday, May 8, 2026
Day
22°
Feels 22
Wind
20 km/h NE
Gust
30 km/h
Humidity
58%
P.O.P
30%
Night
18°
Feels 19
Wind
8 km/h E
Gust
12 km/h
Humidity
93%
P.O.P
90%
Rain
~10 mm
Historical Averages
May 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
26°
Feels 28
Low
19°
Feels 19
Average Precipitation
10 Days
Rain amount
91.5mm
Snow amount
0cm