Average data for 10 years
1 May
Thursday
+23°
+18°
2 May
Friday
+24°
+18°
3 May
Saturday
+25°
+19°
4 May
Sunday
+24°
+19°
5 May
Monday
+25°
+19°
6 May
Tuesday
+25°
+19°
7 May
Wednesday
+25°
+19°
8 May
Thursday
+25°
+19°
9 May
Friday
+26°
+20°
10 May
Saturday
+26°
+20°
11 May
Sunday
+26°
+20°
12 May
Monday
+26°
+20°
13 May
Tuesday
+25°
+20°
14 May
Wednesday
+25°
+20°
15 May
Thursday
+25°
+20°
16 May
Friday
+25°
+20°
17 May
Saturday
+26°
+20°
18 May
Sunday
+26°
+20°
19 May
Monday
+26°
+21°
20 May
Tuesday
+26°
+21°
21 May
Wednesday
+26°
+21°
22 May
Thursday
+26°
+22°
23 May
Friday
+27°
+21°
24 May
Saturday
+27°
+22°
25 May
Sunday
+27°
+22°
26 May
Monday
+27°
+22°
27 May
Tuesday
+27°
+22°
28 May
Wednesday
+27°
+22°
29 May
Thursday
+27°
+22°
30 May
Friday
+27°
+22°
31 May
Saturday
+27°
+22°
In May, the weather in Hilton Head Island is typically warm. Average daily high temperature in May is about 26 degrees above zero. On average, Hilton Head Island has 14 sunny, 9 rainy, and 8 partly cloudy days in May. The rains are usually heavy.