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Weather in Sullivan's Island, SC
69°
Sullivan's Island, Wednesday, 4 November, 06:41
Fog. Feels like 70°. High 77°, low 64°.
Pressure30.09 inHg
Wind0 mph N 
Humidity97%
Visibility5.0 mi
Dew point68°
Wed, 04November
77°/64°
77°/64°Thu, 05November
81°/68°
81°/68°Fri, 06November80°/68°
80°/68°Sat, 07November
75°/62°
75°/62°Sun, 08November65°/51°
65°/51°Mon, 09November74°/51°
74°/51°Tue, 10November68°/65°
68°/65° | 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 | 77° | 70° | 69° | 68° | 69° | 72° | 77° | 76° | 73° | 71° | 70° | 71° |
| Feels like | 77° | 71° | 70° | 69° | 70° | 72° | 77° | 77° | 74° | 72° | 70° | 72° |
Pressure, inHg  | 30.06 | 30.06 | 30.06 | 30.06 | 30.09 | 30.09 | 30.06 | 30.00 | 29.97 | 30.00 | 30.00 | 29.97 |
| Wind, mph | 5 | 5 | 5 | 5 | 2.9 | 4.8 | 4.8 | 4.7 | 3.9 | 2.3 | 2.9 | 3 |
Humidity, %  | 66% | 66% | 66% | 66% | 95% | 85% | 66% | 67% | 71% | 82% | 83% | 84% |
| 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 |
| 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° | 69° | 68° | 69° | 73° | 79° | 80° | 81° | 78° | 73° | 72° | 71° |
| Feels like | 71° | 70° | 69° | 70° | 74° | 79° | 80° | 83° | 79° | 74° | 73° | 72° |
| Pressure, inHg | 29.94 | 29.94 | 29.94 | 29.94 | 29.97 | 29.97 | 29.94 | 29.91 | 29.91 | 29.91 | 29.94 | 29.94 |
| Wind, mph | 1.9 | 1.8 | 1 | 1.3 | 1.6 | 2.6 | 3.3 | 3.9 | 3.4 | 2.2 | 1.9 | 1.6 |
| Humidity, % | 86% | 90% | 93% | 93% | 87% | 67% | 63% | 61% | 68% | 85% | 90% | 94% |
| 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° | 69° | 68° | 68° | 72° | 79° | 79° | 78° | 73° | 71° | 69° | 68° |
| Feels like | 71° | 71° | 70° | 69° | 73° | 79° | 79° | 79° | 74° | 72° | 71° | 69° |
| Pressure, inHg | 29.94 | 29.94 | 29.91 | 29.94 | 29.94 | 29.94 | 29.91 | 29.88 | 29.88 | 29.88 | 29.91 | 29.91 |
| Wind, mph | 1.6 | 1.5 | 1.3 | 1.2 | 2 | 3.3 | 4.2 | 3.5 | 1.8 | 1.8 | 1.3 | 1.5 |
| Humidity, % | 95% | 96% | 97% | 98% | 92% | 71% | 65% | 69% | 85% | 94% | 97% | 97% |
| Precipitation | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0.01 in | 0 in | 0.01 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 | 0.9 mi | 2.3 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° | 66° | 66° | 67° | 66° | 68° | 73° | 75° | 74° | 69° | 65° | 62° |
| Feels like | 68° | 67° | 67° | 68° | 67° | 69° | 73° | 75° | 74° | 69° | 65° | 62° |
| Pressure, inHg | 29.88 | 29.88 | 29.88 | 29.91 | 29.94 | 29.97 | 29.94 | 29.91 | 29.91 | 29.97 | 30.00 | 30.03 |
| Wind, mph | 1.7 | 1.3 | 1.5 | 2 | 2.8 | 3 | 2.5 | 1.6 | 1 | 1.6 | 2.2 | 2.9 |
| Humidity, % | 97% | 98% | 100% | 99% | 99% | 87% | 69% | 57% | 54% | 67% | 73% | 71% |
| 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 | 0.2 mi | 0.1 mi | 0.1 mi | 0.7 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 | 60° | 58° | 55° | 53° | 55° | 59° | 63° | 64° | 62° | 59° | 58° | 57° |
| Feels like | 59° | 56° | 53° | 51° | 53° | 57° | 61° | 62° | 60° | 58° | 56° | 55° |
| Pressure, inHg | 30.06 | 30.06 | 30.09 | 30.12 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 | 30.15 |
| Wind, mph | 3.3 | 3.9 | 4.5 | 4.3 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Humidity, % | 72% | 69% | 61% | 64% | 39% | 39% | 39% | 39% | 39% | 39% | 39% | 39% |
| 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 | — | — | — | — | — | — | — | — |
| 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 | 74° | 63° | 57° | 51° | 58° | 64° | 71° | 72° | 69° | 66° | 64° | 65° |
| Feels like | 74° | 62° | 56° | 50° | 56° | 63° | 70° | 71° | 68° | 65° | 63° | 64° |
| Pressure, inHg | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 |
| 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, % | 39% | 39% | 39% | 39% | 39% | 39% | 39% | 39% | 39% | 39% | 39% | 39% |
| 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 | 66° | 67° | 66° | 65° | 65° | 66° | 66° | 66° | 66° | 67° | 67° | 67° |
| Feels like | 66° | 68° | 67° | 66° | 66° | 66° | 67° | 67° | 67° | 68° | 68° | 68° |
| Pressure, inHg | 29.94 | 29.94 | 29.94 | 29.94 | 29.94 | 29.94 | 29.94 | 29.94 | 29.94 | 29.94 | 29.94 | 29.94 |
| Wind, mph | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 |
| Humidity, % | 98% | 98% | 98% | 98% | 98% | 98% | 98% | 98% | 98% | 98% | 98% | 98% |
| Precipitation | 0.1 in | 0.1 in | 0.1 in | 0.1 in | 0.1 in | 0.1 in | 0.1 in | 0.1 in | 0.1 in | 0.1 in | 0.1 in | 0.1 in |
| Visibility | — | — | — | — | — | — | — | — | — | — | — | — |
Sun and moon today
Day length — 10 h 47 min
Sunrise — 06:39
Sunset — 17:26
Sunrise and sunset in local time
Waning crescent, 30%
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
November 4 temperatures in Sullivan's Island, SC over 66 years
high: 79.5° (1961)low: 39.6° (1966)
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