As of 12:59 EDT

Seabrook Island, SC weather in December

89°

Seabrook Island, Sunday, 9 August, 12:59

Overcast. Feels like 102°. High 88°, low 75°.

Pressure30.15 inHg

Wind8.6 mph S

Humidity72%

Visibility6.2 mi

Dew point78°

See detailed hourly forecast

In December, Seabrook Island, SC averages a high of 60.5° and a low of 48.8°. About 3.3 inches of precipitation fall over the month (8 wet days). The record high is 77.5° (2025) and the record low 18.1° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	62.8°	51.6°	18%	74.1° (1982)	31.3° (1964)
2	62.4°	51.1°	18%	73.4° (1982)	34.5° (1960)
3	62.6°	50.2°	17%	73.2° (1998)	34.7° (2024)
4	62.1°	50.2°	15%	73.4° (1978)	32.2° (2024)
5	61.9°	50.4°	23%	73.9° (1998)	34.3° (1969)
6	61.7°	49.3°	23%	73.8° (1998)	32.7° (2024)
7	61°	49.3°	32%	74.1° (1978)	30.6° (1984)
8	61°	48.7°	23%	75.6° (2022)	30.2° (2010)
9	61.9°	50.2°	22%	74.5° (1978)	32.5° (1968)
10	61.2°	50.4°	32%	72.5° (1972)	33.3° (2025)
11	60.6°	49.3°	28%	73° (1972)	32° (1968)
12	60.6°	48.9°	28%	73.6° (2007)	27° (1962)
13	61.2°	49.5°	30%	73° (1971)	19.9° (1962)
14	61.9°	50.2°	30%	73.4° (2001)	27.9° (2010)
15	60.8°	49.6°	32%	73.8° (1971)	24.1° (2025)
16	61.7°	48.4°	17%	73.8° (1971)	30.2° (2025)
17	60.1°	48.4°	22%	72.9° (1971)	30.7° (1972)
18	58.8°	46.9°	23%	72.1° (1984)	32.7° (1988)
19	59.5°	46.4°	23%	73.2° (1967)	28.6° (1963)
20	58.8°	47.8°	22%	73.2° (1967)	27.7° (2000)
21	59.2°	47.1°	33%	72.5° (2013)	32.5° (1980)
22	59.2°	48°	27%	72.9° (1998)	26.8° (1989)
23	60.1°	47.8°	23%	72.3° (2013)	19.8° (1989)
24	60.4°	48.9°	40%	75.6° (2025)	18.5° (2022)
25	58.3°	46.8°	28%	73.6° (1984)	18.1° (1983)
26	56.1°	45°	22%	73.8° (2021)	20.5° (1983)
27	57.9°	45.7°	20%	77.5° (2025)	29.7° (1983)
28	59.7°	48.4°	27%	74.3° (2015)	32.5° (2010)
29	60.8°	48.9°	42%	73.8° (2015)	31.8° (2017)
30	59.7°	48.6°	18%	74.7° (2015)	31.6° (1961)
31	61.5°	50.4°	33%	73.6° (2021)	26.4° (1983)