As of 06:57 EDT

Rock Hill, SC weather in December

72°

Rock Hill, Sunday, 9 August, 06:57

Clear. Feels like 74°. High 91°, low 71°.

Pressure30.09 inHg

Wind3.6 mph SW

Humidity96%

Visibility6.2 mi

Dew point71°

See detailed hourly forecast

In December, Rock Hill, SC averages a high of 53.3° and a low of 37.6°. About 3.8 inches of precipitation fall over the month (9 wet days). The record high is 76.3° (2021) and the record low 9° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	56.5°	40.1°	28%	71.4° (2006)	23.9° (1976)
2	56.5°	39°	18%	72.9° (1991)	26.8° (1964)
3	56.3°	39.6°	20%	76.3° (2021)	22.6° (1979)
4	55.6°	39°	23%	73.8° (2021)	24.1° (1979)
5	54.9°	39°	30%	72.7° (1982)	23.9° (1966)
6	54.1°	37.9°	22%	74.7° (1998)	23.9° (2024)
7	54.7°	37.6°	23%	74.1° (1998)	22.6° (2024)
8	53.1°	38.1°	28%	72.5° (1998)	21° (2010)
9	54.1°	38.5°	33%	71.8° (1966)	22.6° (2006)
10	54.9°	39.7°	38%	75.6° (2007)	24.3° (1974)
11	53.8°	38.1°	25%	76.3° (2007)	23.2° (1968)
12	53.2°	37.9°	23%	76.3° (2007)	16.5° (1962)
13	53.4°	37.6°	32%	74.1° (2007)	11.5° (1962)
14	53.4°	37.8°	28%	70.3° (2001)	21.4° (2010)
15	53.1°	37.4°	27%	72.1° (1971)	17.8° (2025)
16	54.1°	37.6°	37%	72.9° (1971)	24.1° (1989)
17	53.2°	37.2°	23%	67.1° (1984)	22.5° (1963)
18	52°	36°	28%	72.1° (2021)	16° (1973)
19	52.3°	35.6°	22%	72° (1984)	16.7° (1973)
20	51.3°	36.7°	33%	67.1° (1984)	18.9° (1981)
21	51.1°	36.3°	30%	69.6° (2013)	21° (1981)
22	51.8°	36.5°	32%	70.9° (2013)	16.7° (1989)
23	53.1°	36.7°	33%	71.6° (1990)	11.8° (1989)
24	53.2°	36.9°	30%	73.4° (2025)	10.9° (2022)
25	50.5°	36.3°	33%	75.9° (2025)	9° (1983)
26	49.5°	35.2°	18%	72.5° (2021)	13.1° (1983)
27	51.1°	34.9°	18%	74.1° (2025)	23° (1977)
28	52.9°	37.2°	33%	73° (2021)	22.5° (2010)
29	53.8°	38.3°	37%	72.3° (2015)	21.9° (1977)
30	52.2°	37.4°	30%	72.9° (1984)	23° (1983)
31	53.2°	38.5°	42%	71.8° (2021)	16° (1983)