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Weather in Sullivan's Island, SC
66°
Sullivan's Island, Saturday, 31 October, 19:15
Clear. Feels like 67°. High 72°, low 58°.
Pressure30.33 inHg
Wind13.8 mph NE 
Humidity80%
Visibility6.2 mi
Dew point59°
Sat, 31October
72°/58°
72°/58°Sun, 01November
72°/55°
72°/55°Mon, 02November75°/56°
75°/56°Tue, 03November
77°/64°
77°/64°Wed, 04November79°/68°
79°/68°Thu, 05November80°/68°
80°/68°Fri, 06November71°/68°
71°/68° | 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 72° | 60° | 60° | 59° | 63° | 67° | 70° | 71° | 69° | 67° | 66° | 63° |
| Feels like | 72° | 60° | 60° | 59° | 63° | 67° | 70° | 71° | 69° | 67° | 66° | 63° |
Pressure, inHg  | 30.30 | 30.30 | 30.30 | 30.30 | 30.30 | 30.30 | 30.30 | 30.30 | 30.30 | 30.30 | 30.33 | 30.33 |
| Wind, mph | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5.4 | 6 |
Humidity, %  | 72% | 72% | 72% | 72% | 72% | 72% | 72% | 72% | 72% | 72% | 79% | 76% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 58° | 55° | 55° | 56° | 58° | 64° | 69° | 72° | 71° | 67° | 61° | 59° |
| Feels like | 57° | 54° | 54° | 55° | 57° | 64° | 69° | 73° | 72° | 67° | 61° | 58° |
| Pressure, inHg | 30.33 | 30.33 | 30.30 | 30.33 | 30.36 | 30.36 | 30.36 | 30.33 | 30.30 | 30.30 | 30.30 | 30.30 |
| Wind, mph | 5.8 | 4.6 | 5 | 5.5 | 5.4 | 5.4 | 5.6 | 6.8 | 6.1 | 6 | 5.7 | 5.9 |
| Humidity, % | 77% | 81% | 83% | 83% | 87% | 78% | 69% | 68% | 71% | 79% | 81% | 81% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | |  | | |  | |
| Temperature | 58° | 56° | 57° | 58° | 59° | 67° | 70° | 73° | 74° | 71° | 69° | 67° |
| Feels like | 57° | 55° | 56° | 57° | 58° | 67° | 70° | 73° | 75° | 72° | 69° | 68° |
| Pressure, inHg | 30.30 | 30.27 | 30.24 | 30.24 | 30.27 | 30.27 | 30.27 | 30.24 | 30.21 | 30.21 | 30.21 | 30.21 |
| Wind, mph | 5.1 | 4.8 | 5.4 | 5.3 | 5.2 | 5.3 | 5.4 | 5.5 | 6 | 5.8 | 5.1 | 4.6 |
| Humidity, % | 84% | 88% | 87% | 83% | 85% | 80% | 78% | 73% | 65% | 74% | 80% | 82% |
| Precipitation | 0.01 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 67° | 67° | 65° | 64° | 64° | 71° | 76° | 77° | 76° | 73° | 70° | 70° |
| Feels like | 67° | 67° | 66° | 65° | 65° | 71° | 77° | 78° | 77° | 73° | 71° | 70° |
| Pressure, inHg | 30.21 | 30.18 | 30.18 | 30.18 | 30.18 | 30.21 | 30.21 | 30.15 | 30.12 | 30.12 | 30.12 | 30.12 |
| Wind, mph | 4.5 | 5 | 4.5 | 4.4 | 4.8 | 3.9 | 5.6 | 6 | 5.8 | 5 | 5 | 4.8 |
| Humidity, % | 85% | 88% | 91% | 92% | 91% | 76% | 66% | 65% | 67% | 75% | 83% | 88% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | |  | | | | | | | | | |
| Temperature | 70° | 70° | 70° | 69° | 68° | 74° | 77° | 79° | 77° | 75° | 71° | 70° |
| Feels like | 71° | 71° | 71° | 70° | 69° | 74° | 78° | 79° | 78° | 75° | 71° | 71° |
| Pressure, inHg | 30.12 | 30.09 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.00 | 29.97 | 29.97 | 30.00 | 30.00 |
| Wind, mph | 4.2 | 3.7 | 3.2 | 3.4 | 4.2 | 3.9 | 4.1 | 4.5 | 3.6 | 3.2 | 4.5 | 4.5 |
| Humidity, % | 87% | 90% | 92% | 93% | 94% | 81% | 71% | 64% | 67% | 74% | 64% | 64% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | 6.2 mi | — | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 80° | 70° | 69° | 68° | 71° | 75° | 78° | 79° | 76° | 73° | 72° | 71° |
| Feels like | 80° | 71° | 70° | 69° | 72° | 75° | 78° | 79° | 76° | 74° | 73° | 73° |
| Pressure, inHg | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 | 29.88 |
| Wind, mph | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 |
| Humidity, % | 70% | 70% | 70% | 70% | 70% | 70% | 70% | 70% | 70% | 70% | 70% | 70% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
| 00:00 | 02:00 | 04:00 | 06:00 | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 | 22:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| | | | | | | | | | | | |
| Temperature | 71° | 68° | 68° | 68° | 69° | 70° | 71° | 71° | 70° | 69° | 69° | 69° |
| Feels like | 71° | 69° | 69° | 69° | 70° | 71° | 72° | 72° | 71° | 70° | 70° | 69° |
| Pressure, inHg | 29.77 | 29.77 | 29.77 | 29.77 | 29.77 | 29.77 | 29.77 | 29.77 | 29.77 | 29.77 | 29.77 | 29.77 |
| Wind, mph | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 |
| Humidity, % | 87% | 87% | 87% | 87% | 87% | 87% | 87% | 87% | 87% | 87% | 87% | 87% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
Sun and moon today
Day length — 10 h 53 min
Sunrise — 07:36
Sunset — 18:29
Sunrise and sunset in local time
Last quarter, 66%
Sunrise — —
Sunset — —
Sullivan's Island, SC climate by month
The annual average temperature in Sullivan's Island, SC is 66.9°. The warmest month is July (average high 86.8°), and the coldest is January (average low 44.1°). About 46.3 inches of precipitation fall per year, most of it in August (6.5 in). Figures are 60-year climate normals and records from 66 years of observations.
| Month | High | Low | Precipitation | Wet days | Record high | Record low |
|---|---|---|---|---|---|---|
| January | 57.6° | 44.1° | 3.3 in | 9 | 75.6° (2017) | 11.5° (2018) |
| February | 60.2° | 46.5° | 3.3 in | 8 | 79.7° (2025) | 21.6° (1996) |
| March | 65.7° | 52.2° | 3.4 in | 9 | 83.3° (1974) | 20.1° (1980) |
| April | 72.3° | 58.8° | 2.7 in | 7 | 88.9° (1967) | 37° (1983) |
| May | 78.9° | 66.6° | 3.0 in | 10 | 96.3° (2019) | 48.9° (2021) |
| June | 84.2° | 73.3° | 4.8 in | 15 | 96.8° (2010) | 58.1° (1984) |
| July | 86.8° | 76.7° | 5.0 in | 18 | 99.1° (2025) | 65.7° (1972) |
| August | 85.2° | 75.8° | 6.5 in | 19 | 97.3° (1999) | 64.6° (1986) |
| September | 81.7° | 71.8° | 4.8 in | 14 | 94.5° (2020) | 53.4° (1967) |
| October | 74.7° | 62.9° | 3.5 in | 8 | 90.5° (1986) | 41.5° (2017) |
| November | 66.9° | 54° | 2.6 in | 7 | 84° (1961) | 29.3° (1970) |
| December | 60.7° | 47.8° | 3.3 in | 8 | 76.3° (1978) | 14.9° (1989) |
Weather history
Temperature extremes over 66 years
October 31 temperatures in Sullivan's Island, SC over 66 years
high: 83.5° (1961)low: 46.2° (2005)
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62°Weather in Olympia, WA52°Weather in Phoenix, AZ76°Weather in Pierre, SD64°Weather in Providence, RI44°Weather in Raleigh, NC58°Weather in Richmond, VA55°Weather in Sacramento, CA63°Weather in Salem, OR51°Weather in Salt Lake City, UT58°Weather in San Juan, PR80°Weather in Santa Fe, NM58°Weather in Springfield, IL62°Weather in St. Paul, MN58°Weather in Tallahassee, FL77°Weather in Topeka, KS62°Weather in Trenton, NJ50°Weather in Washington, DC55°
47°Weather in Annapolis, MD55°Weather in Atlanta, GA66°Weather in Augusta, ME41°Weather in Austin, TX77°Weather in Baton Rouge, LA78°Weather in Bismarck, ND53°Weather in Boise, ID61°Weather in Boston, MA47°Weather in Carson City, NV47°Weather in Charleston, WV62°Weather in Charlotte Amalie, VI81°Weather in Cheyenne, WY58°Weather in Columbia, SC65°Weather in Columbus, OH59°Weather in Concord, NH42°Weather in Denver, CO61°Weather in Des Moines, IA62°Weather in Dover, DE51°Weather in Frankfort, KY64°Weather in Harrisburg, PA51°Weather in Hartford, CT46°Weather in Helena, MT39°Weather in Honolulu, HI82°Weather in Indianapolis, IN63°Weather in Jackson, MS73°Weather in Jefferson City, MO67°Weather in Juneau, AK32°Weather in Lansing, MI57°Weather in Lincoln, NE63°Weather in Little Rock, AR71°Weather in Madison, WI55°Weather in Montgomery, AL74°Weather in Montpelier, VT39°Weather in Nashville, TN72°Weather in Oklahoma City, OK62°Weather in Olympia, WA52°Weather in Phoenix, AZ76°Weather in Pierre, SD64°Weather in Providence, RI44°Weather in Raleigh, NC58°Weather in Richmond, VA55°Weather in Sacramento, CA63°Weather in Salem, OR51°Weather in Salt Lake City, UT58°Weather in San Juan, PR80°Weather in Santa Fe, NM58°Weather in Springfield, IL62°Weather in St. Paul, MN58°Weather in Tallahassee, FL77°Weather in Topeka, KS62°Weather in Trenton, NJ50°Weather in Washington, DC55°Weather in College Acres, SC67°Weather in Colleton, SC68°Weather in Collins Creek, SC66°Weather in Conch Creek, SC65°Weather in Concord, SC63°Weather in Concord Crossroads, SC70°Weather in Converse Heights, SC61°Weather in Corinth, SC63°Weather in Couchton, SC67°Weather in Crescent, SC62°Weather in Creston, SC68°Weather in Crosswell, SC62°Weather in Cumberland, SC64°Weather in Cunningham, SC61°Weather in Davidson, SC67°Weather in Davis Hill, SC68°Weather in Davis Station, SC68°Weather in Dawkins, SC60°Weather in Deas Mill, SC61°Weather in Deer Park, SC67°
67°Weather in Colleton, SC68°Weather in Collins Creek, SC66°Weather in Conch Creek, SC65°Weather in Concord, SC63°Weather in Concord Crossroads, SC70°Weather in Converse Heights, SC61°Weather in Corinth, SC63°Weather in Couchton, SC67°Weather in Crescent, SC62°Weather in Creston, SC68°Weather in Crosswell, SC62°Weather in Cumberland, SC64°Weather in Cunningham, SC61°Weather in Davidson, SC67°Weather in Davis Hill, SC68°Weather in Davis Station, SC68°Weather in Dawkins, SC60°Weather in Deas Mill, SC61°Weather in Deer Park, SC67°