World Resorts USA Hilton Head Island Weather

Hilton Head Island weather in May

Weather in Hilton Head Island: May

Average day temperature: 78.8°F
Average night temperature: 67.1°F
Sea water temperature: 75.0°F
Number of sunny days: 11 days
Day length: 13.5 - 14.1 hours
Number of rainy days: 3 days
Precipitation totals: 1.5 in.

Air temperature in May, °F

Show year:
2024
2023
2022

The highest day temperature during May of 2024 was 86°F. At the same time the lowest night temperature was 64°F. Day and night temperature averages during May were 79.1°F and 71.4°F.

Sea water temperature in Hilton Head Island in May, °F

Show year:
2024
2023
2022

The average sea water temperature in May of 2024 was 76.7°F. The highest and lowest sea temperatures during the month were 81.3°F and 71.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Hilton Head Island in May is 1.5 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 7.4 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.4.

Best time for vacation in Hilton Head Island

Sunniest months:
October 16 days
April 16 days
December 14 days
Warmest months:
July 87.6 °F
August 86.2 °F
June 84.3 °F
Warmest sea temp:
August 85.2 °F
July 85.0 °F
September 81.9 °F
Coldest months:
January 57.2 °F
December 59.7 °F
February 60.9 °F
Rainiest months:
August 6 days
July 6 days
March 4 days
Windiest months:
April 8.0 mph
March 7.7 mph
January 7.7 mph

Hilton Head Island on a weather map

Hilton Head Island
+72°F
NW 11 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+50°F
+59°F
+77°F
+77°F
+48°F
+63°F
+79°F
+73°F
+57°F
+61°F
+57°F
+72°F
+73°F
+77°F
+63°F
24 Hours Forecast
Hilton Head Island
Local time: 02:47
November 05, tuesday
0300
72°F
NW
11 mph
0600
72°F
NW
11 mph
0900
72°F
NW
8 mph
1200
73°F
NW
11 mph
1500
73°F
NW
13 mph
1800
73°F
NW
11 mph
2100
72°F
NW
11 mph
November 06, wednesday
0000
72°F
NW
9 mph
Units of measurement: °C / °F