Climate almanac
Charleston
South Carolina, United States · 32.78°, -79.93°
What is the climate like in Charleston?
The best time to visit Charleston is typically March – May, with trip comfort peaking in October (7.0/10). Charleston is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 43°F (6°C). The wettest month is typically August and the driest is November; the year sees roughly 51 in (1307 mm) of precipitation.
- Best time to visitMarch – May — comfort peaks in October (7.0/10)
- Warmest monthJuly — average high 88°F (31°C)
- Coolest monthJanuary — average low 43°F (6°C)
- Wettest monthAugust (7.4 in (188 mm))
- Driest monthNovember (2.5 in (64 mm))
- Annual precipitation51 in (1307 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromDwtn Charleston, 1 km away (1893-2026)