With a population of around 30,600, Aiken sits in South Carolina, United States. The city operates in the Eastern Time Zone.
In 2025, Aiken recorded an average annual temperature of 64°F — about 3.3°F below the 30-year normal of 67°F. The hottest day reached 98°F in July; the coldest was 19°F in January. Total precipitation was 36 inches (drier than usual). The wettest month was August.
View current conditions and forecast for Aiken · More cities in South Carolina