South Carolina climate
World Climates covers 2 places in South Carolina. By annual mean temperature, the warmest is Charleston (19 °C66 °F) and the coolest is Columbia (18 °C64 °F). The wettest is Charleston with 1,246 mm49 in of precipitation per year, the driest Columbia with 1,150 mm45 in.
The most common climate types (Köppen classification computed from these averages) are humid subtropical (Cfa, 2 places).
The highest monthly average high is in Columbia (34 °C92 °F in July); the lowest monthly average low is in Columbia (1 °C34 °F in January).
Frequently asked questions
Which is the warmest place in South Carolina?
By annual mean temperature, the warmest place in South Carolina is Charleston at 19 °C66 °F. The coolest is Columbia at 18 °C64 °F.
Where does it rain the most in South Carolina?
Charleston gets the most precipitation, 1,246 mm49 in in an average year. The driest place is Columbia with 1,150 mm45 in.
How many places in South Carolina does this site cover?
World Climates has climate data for 2 places in South Carolina. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.
Climate of every place in South Carolina
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| Columbia | 18 | 34 | 1 | 1,150 |
| Charleston | 19 | 32 | 4 | 1,246 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Other cities over 100,000 people
These cities share a NASA POWER grid cell with a larger place, so their averages are shown on that page:
- North Charleston → data of Charleston
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.