As of 15:21 EDT

Hilton Head Island, SC weather in May

89°

Hilton Head Island, Sunday, 9 August, 15:21

Mostly clear. Feels like 102°. High 89°, low 75°.

Pressure30.09 inHg

Wind2 mph N

Humidity76%

Visibility6.2 mi

Dew point80°

See detailed hourly forecast

In May, Hilton Head Island, SC averages a high of 78.5° and a low of 67.8°. About 2.8 inches of precipitation fall over the month (9 wet days). The record high is 96.8° (2017) and the record low 50° (1999). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	75.4°	64.8°	27%	86.9° (1990)	50° (1999)
2	75.9°	64.9°	20%	85.8° (2002)	53.1° (2006)
3	76.3°	65.3°	23%	86.2° (2002)	55.4° (1999)
4	75.6°	64.8°	30%	87.6° (2020)	52.3° (1971)
5	76.1°	64.6°	23%	89.1° (2022)	54.9° (1970)
6	76.8°	64.8°	13%	85.8° (2022)	54.3° (2017)
7	77°	65.1°	20%	86.5° (1977)	51.1° (1992)
8	77°	65.8°	32%	85.1° (2010)	50° (1992)
9	77.2°	66.6°	27%	87.4° (1962)	54.5° (2022)
10	77.2°	66.4°	20%	88.7° (2017)	58.1° (1984)
11	77.7°	66.6°	23%	96.8° (2017)	54.5° (1986)
12	78.1°	66.9°	25%	87.1° (2000)	55° (2021)
13	77.9°	67.3°	40%	87.1° (1967)	51.8° (2021)
14	77.7°	67.3°	37%	87.3° (1995)	56.1° (1960)
15	78.1°	68.2°	27%	92.3° (1995)	61.2° (2021)
16	78.4°	67.5°	18%	88.2° (2025)	56.8° (1984)
17	78.6°	68.2°	37%	90.7° (2023)	58.8° (2014)
18	78.8°	67.8°	25%	87.8° (1960)	55° (2009)
19	78.8°	68°	42%	89.1° (2022)	52.3° (2002)
20	79.3°	68.5°	28%	91° (1962)	55.2° (2002)
21	79.7°	69.1°	30%	91.6° (1962)	56.8° (1994)
22	79.5°	69.3°	32%	91.4° (2025)	55.6° (1981)
23	79.7°	69.4°	42%	88.7° (2014)	59.5° (1967)
24	80.4°	70°	27%	89.8° (2019)	56.8° (1967)
25	80.4°	70.2°	30%	93.7° (2019)	60.1° (1967)
26	80.4°	70°	40%	93.2° (2019)	55.9° (1979)
27	80.4°	70.3°	40%	95.2° (2019)	54.5° (2023)
28	80.8°	71.1°	42%	92.5° (2019)	59.9° (1961)
29	80.8°	71.2°	40%	91° (2019)	60.3° (1968)
30	81°	70.9°	38%	93° (2019)	57.7° (1971)
31	81.7°	71.1°	37%	90.1° (2004)	57.4° (1984)