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Port Royal Plantation, Hilton Head Island, South Carolina Sea Temperature in May

South Carolina, United States

April Port Royal Plantation, Hilton Head Island, South Carolina year-round → June

Average sea temperature for Port Royal Plantation, Hilton Head Island, South Carolina, United States across May, based on 10 years of daily readings.

Average

23.53° C

High

26.72° C

Low

20.97° C

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

May is the 6th warmest of 12 months at Port Royal Plantation, Hilton Head Island, South Carolina. On average the water sits 2.2° than the year-round mean of 21.37° C.

Compared to April, May is 3.7° warmer than (19.81° C in April). By June the water is usually 26.81° C.

Port Royal Plantation, Hilton Head Island, South Carolina Day-by-Day Water Temperature in May

10-year low, average and high

20.0° C
22.0° C
24.0° C
26.0° C
28.0° C
1
5
10
15
20
25
31
Day-by-day low and high band with the 10-year daily average through May. Range Average

Each vertical bar above is one day of May. The shaded band covers the range the water has reached on that day across the last 10 years — the lowest reading at the bottom, the highest at the top. The line running through the bars is the daily average over those 10 years, so you can see the typical shape of the month at Port Royal Plantation, Hilton Head Island, South Carolina.

A narrow band means the temperature on that day has stayed close to the average year on year. A taller band means it has swung more, often because of changeable weather around that time of year. Hovering a day pulls up its low, average, and high.

May Water Temperature Table for Port Royal Plantation, Hilton Head Island, South Carolina

10-year daily averages

Day Average Low High
May 1 21.71° C 20.97° C 22.5° C
May 2 21.79° C 21.01° C 22.66° C
May 3 22.03° C 21.07° C 23.06° C
May 4 22.39° C 21.14° C 23.43° C
May 5 22.76° C 21.13° C 23.83° C
May 6 22.93° C 21.17° C 23.96° C
May 7 22.79° C 21.27° C 24.11° C
May 8 22.69° C 21.49° C 24.43° C
May 9 22.6° C 21.58° C 24.27° C
May 10 22.59° C 21.62° C 24.17° C
May 11 22.66° C 21.51° C 24.07° C
May 12 22.71° C 21.56° C 24.16° C
May 13 22.63° C 21.57° C 24.29° C
May 14 22.84° C 21.72° C 24.32° C
May 15 23.04° C 21.72° C 24.36° C
May 16 23.34° C 21.97° C 24.72° C
May 17 23.62° C 22.09° C 25.04° C
May 18 23.88° C 22.27° C 25.19° C
May 19 24.12° C 22.28° C 25.48° C
May 20 24.25° C 22.59° C 25.72° C
May 21 24.34° C 22.73° C 25.86° C
May 22 24.57° C 22.95° C 25.96° C
May 23 24.77° C 23.25° C 26.05° C
May 24 24.92° C 23.59° C 25.91° C
May 25 25.06° C 23.83° C 25.78° C
May 26 25.1° C 23.95° C 26.05° C
May 27 25.04° C 22.98° C 26.16° C
May 28 25.08° C 22.01° C 26.28° C
May 29 25.16° C 21.85° C 26.38° C
May 30 25.19° C 21.89° C 26.58° C
May 31 25.13° C 21.87° C 26.72° C

Where May Sits in the Year

May highlighted

6.0° C
13.0° C
20.0° C
27.0° C
34.0° C
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
12.94° C
12.62° C
15.94° C
19.81° C
23.53° C
26.81° C
29.32° C
29.37° C
27.6° C
23.81° C
19.45° C
15.2° C
10-year monthly history for Port Royal Plantation, Hilton Head Island, South Carolina. Bars span historical low to high; the line marks the monthly average. Range Average
January → February → March → April → May → June → July → August → September → October → November → December →

Nearby Locations in May

Compare other United States water for the same month

Port Royal Plantation, Hilton Head Island, South Carolina Location

32.2200, -80.6683

32.22000, -80.66830 View on OpenStreetMap →

Port Royal Plantation, Hilton Head Island, South Carolina sits at 32.2200°N, 80.6683°W, on the coast of South Carolina, United States. The marker on the map shows the spot the readings on this page come from. It usually sits a short distance from the town centre, out on the open water itself, so the numbers stay tied to the coast rather than a generic point inland.

Coastlines bend, headlands focus the water, and the temperature can run noticeably differently between two beaches that look close together on a map. Comparing nearby locations is a quick way to see how local geography is shaping the readings.

Nearest locations to Port Royal Plantation, Hilton Head Island, South Carolina