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Warmest beach in South Carolina

241 coastal locations in South Carolina ranked by year-round average sea temperature. The state-wide average is 21.0°C. The peak month is August at 28.9°C. Click any beach for its 30-day chart and 10-year history.

Warmest year-round

Cape Romain, 46 miles east of, South Carolina

23.5°C annual mean

State-wide average

21.0°C

across 241 South Carolina coastal locations

Warmest month

August

28.9°C state-wide average

What the water feels like at peak in August

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

South Carolina monthly average 12.1°C to 28.9°C
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  • Warmest month August 28.9°C
  • Coldest month February 12.1°C
  • Annual mean 21.0°C
  • Months above 20°C 6 of 12

Month by month around the South Carolina coast

South Carolina sea temperatures swing from 12.1°C in February to 28.9°C in August on average across the coast. That's a spread of 17°C. Pick a single month for a focused ranking:

South Carolina sea temperature map

Today's pin colours show the latest daily reading at every South Carolina beach we track. Drag and zoom; click any pin for that beach's full page.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest beaches in South Carolina

Sorted by year-round average. Click any beach for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 Cape Romain, 46 miles east of, South Carolina South Carolina 23.5°C
2 Folly Beach South Carolina 21.9°C
3 Fripp Island South Carolina 21.7°C
4 Hunting Island South Carolina 21.7°C
5 Isle of Palms South Carolina 21.7°C
6 Daufuskie Island South Carolina 21.6°C
7 Hilton Head Island South Carolina 21.6°C
8 Beaufort South Carolina 21.5°C
9 Bloody Point, Daufuskie Island, New River, South Carolina South Carolina 21.5°C
10 Bluffton, May River, South Carolina South Carolina 21.5°C
11 Braddock Point, Hilton Head Island, South Carolina South Carolina 21.5°C
12 Broad Creek, Hilton Head Island, South Carolina South Carolina 21.5°C
13 Bull Creek, Bull Island South, Cooper River, South Carolina South Carolina 21.5°C
14 Bull Island North, May River, South Carolina South Carolina 21.5°C
15 Calibogue Cay, Broad Creek, Hilton Head Island, South Carolina South Carolina 21.5°C
16 Cook Landing Cemetery, New River, South Carolina South Carolina 21.5°C
17 Daufuskie Landing, Daufuskie Island, New River, South Carolina South Carolina 21.5°C
18 Doughboy Island, New River, South Carolina South Carolina 21.5°C
19 Fields Cut, Wright River, South Carolina South Carolina 21.5°C
20 Good Hope Landing, south of, New River, South Carolina South Carolina 21.5°C
21 Haig Point, Daufuskie Island, Cooper River, South Carolina South Carolina 21.5°C
22 Hargray Pier, Daufuskie Island, New River, South Carolina South Carolina 21.5°C
23 Little Back River, Hwy. 17, Back River, Savannah River, South Carolina South Carolina 21.5°C
24 Moreland Cemetery, May River, South Carolina South Carolina 21.5°C
25 Pine Island, Ramshorn Creek, Cooper River, South Carolina South Carolina 21.5°C
Show 25 more ▸
26 Rt. 170 bridge, New River, South Carolina South Carolina 21.5°C
27 S.C.L. RR. bridge, Savannah River, Georgia South Carolina 21.5°C
28 Savage I., Savage Creek, Bull Creek, South Carolina South Carolina 21.5°C
29 Turnbridge Landing, Salt Water Creek, South Carolina South Carolina 21.5°C
30 Brown Island, South Santee River, South Carolina South Carolina 21.4°C
31 Cape Romain, South Carolina South Carolina 21.4°C
32 Casino Creek, ICWW, South Carolina South Carolina 21.4°C
33 Cedar Island Point, South Santee River, South Carolina South Carolina 21.4°C
34 Five Fathom Creek entrance, Bulls Bay, South Carolina South Carolina 21.4°C
35 McClellanville, Jeremy Creek, Bulls Bay, South Carolina South Carolina 21.4°C
36 Minim Creek ent., ICWW, North Santee Bay, South Carolina South Carolina 21.4°C
37 North Santee Bridge, South Carolina South Carolina 21.4°C
38 U.S. Highway 17 bridge, South Santee River, South Carolina South Carolina 21.4°C
39 Kiawah Island South Carolina 21.4°C
40 Seabrook Island South Carolina 21.4°C
41 Brickyard Point, Brickyard Creek, Coosaw River, South Carolina South Carolina 21.4°C
42 Capers Creek, Cowen Creek, St. Helena Island, Beaufort River, South Carolina South Carolina 21.4°C
43 Capers Island, Trenchards Inlet, South Carolina South Carolina 21.4°C
44 Club Bridge Creek ent., Trenchards Inlet, South Carolina South Carolina 21.4°C
45 Cowen Creek, Rt. 21 bridge, Beaufort River, South Carolina South Carolina 21.4°C
46 Edding Point, Edding Creek, Morgan River, South Carolina South Carolina 21.4°C
47 Jenkins Creek, 1 mi. above entrance, Morgan River, South Carolina South Carolina 21.4°C
48 Jenkins Creek, Polawana Island, Morgan River, South Carolina South Carolina 21.4°C
49 Lucy Point Creek entrance, Morgan River, South Carolina South Carolina 21.4°C
50 Port Royal Plantation, Hilton Head Island, South Carolina South Carolina 21.4°C

Coldest 10 in South Carolina

Same data, sorted the other way.

# Location Annual mean
1 Cherry Grove (inside), South Carolina South Carolina 20.2°C
2 Dunn Sound, Little River Inlet, South Carolina South Carolina 20.2°C
3 Dunn Sound, north end, South Carolina South Carolina 20.2°C
4 Dunn Sound, west end, South Carolina South Carolina 20.2°C
5 Hog Inlet Pier, South Carolina South Carolina 20.2°C
6 Little River (town), South Carolina South Carolina 20.2°C
7 Myrtle Beach Airport, South Carolina South Carolina 20.2°C
8 Nixon Crossroads, South Carolina South Carolina 20.2°C
9 Allston Creek, Murrells Inlet, South Carolina South Carolina 20.3°C
10 Arundel Plantation, Great Pee Dee River, South Carolina South Carolina 20.3°C

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