With a population of around 8,200, Oak Grove sits in South Carolina, United States. The city operates in the Eastern Time Zone.
In 2025, Oak Grove recorded an average annual temperature of 64°F — about 1.0°F below the 30-year normal of 65°F. The hottest day reached 100°F in July; the coldest was 19°F in January. Total precipitation was 38 inches (drier than usual). The wettest month was May.
View current conditions and forecast for Oak Grove · More cities in South Carolina