Harleyville, Sunday, 9 August, 11:43
Clear. Feels like 104°. High 91°, low 74°.
In December, Harleyville, SC averages a high of 59.6° and a low of 43.6°. About 3.3 inches of precipitation fall over the month (8 wet days). The record high is 78.6° (1978) and the record low 15.8° (1989). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 62.4° | 46.4° | 17% | 77.5° (1982) | 28.2° (1979) |
| 2 | 62.1° | 45.9° | 17% | 76.8° (1991) | 28.2° (1964) |
| 3 | 61.9° | 44.8° | 20% | 77.4° (1991) | 28.6° (1960) |
| 4 | 61.3° | 45° | 13% | 78.4° (1978) | 26.1° (2024) |
| 5 | 61.2° | 45° | 27% | 78.3° (1998) | 26.2° (2000) |
| 6 | 61° | 43.9° | 28% | 78.3° (2013) | 29.7° (2024) |
| 7 | 60.3° | 44.1° | 25% | 78.1° (1998) | 24.8° (2024) |
| 8 | 59.4° | 43.3° | 23% | 78.6° (1978) | 24.8° (2010) |
| 9 | 60.6° | 44.8° | 28% | 77.4° (1978) | 25.3° (2006) |
| 10 | 61° | 45.1° | 30% | 77.7° (2024) | 27.5° (2025) |
| 11 | 59.5° | 44.4° | 32% | 77.5° (1972) | 27° (1968) |
| 12 | 59.7° | 43.3° | 28% | 77.5° (2007) | 24.3° (1962) |
| 13 | 60.3° | 44.1° | 27% | 76.8° (2007) | 16.7° (1962) |
| 14 | 60.4° | 44.8° | 30% | 77.5° (2001) | 23.4° (1960) |
| 15 | 59.9° | 44.2° | 28% | 76.5° (1971) | 21.7° (2025) |
| 16 | 60.8° | 43.2° | 23% | 76.1° (1971) | 23.5° (2025) |
| 17 | 59.5° | 43.3° | 23% | 74.7° (2015) | 26.2° (1968) |
| 18 | 57.9° | 42.1° | 28% | 76.8° (2016) | 26.2° (1963) |
| 19 | 58.3° | 41° | 22% | 76.3° (1984) | 25.2° (1963) |
| 20 | 57.9° | 43° | 25% | 77.2° (1967) | 22.3° (1981) |
| 21 | 57.6° | 41.9° | 35% | 76.3° (2013) | 21.7° (1981) |
| 22 | 58.1° | 43.2° | 27% | 77.7° (2013) | 23.5° (1976) |
| 23 | 59.5° | 42.4° | 28% | 77° (1990) | 17.2° (1989) |
| 24 | 59.7° | 43.5° | 42% | 76.5° (2025) | 16° (2022) |
| 25 | 57° | 42.1° | 30% | 77.4° (2025) | 15.8° (1989) |
| 26 | 54.7° | 40.6° | 20% | 76.8° (2015) | 17.4° (1983) |
| 27 | 56.7° | 40.6° | 17% | 77.2° (2025) | 22.6° (1983) |
| 28 | 59.5° | 42.8° | 28% | 77° (1988) | 25.5° (2010) |
| 29 | 59.9° | 44.2° | 35% | 78.6° (2021) | 24.1° (1977) |
| 30 | 59° | 43.3° | 23% | 78.6° (1984) | 26.6° (1961) |
| 31 | 60.8° | 45° | 33% | 78.3° (2021) | 23° (1983) |