United States · 1991–2020 normal
Charleston in
December.
Typical December weather in Charleston: 5.4°C by day, -3.3°C at night, 74 mm of rain over 8.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high5.4°C
Typical low-3.3°C
Rain74 mm
Wet days8.1
Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 24 from latitude 39.50°.
Event window
Frost-level nights in December
The measured night-time normal is -3.3°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4235668
- NOAA station
- USC00111436 · CHARLESTON
- Station distance
- 2.4 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.