United States · 1991–2020 normal
Sullivans Island in
December.
Typical December weather in Sullivans Island: 17.1°C by day, 5.9°C at night, 92 mm of rain over 7.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high17.1°C
Typical low5.9°C
Rain92 mm
Wet days7.1
Comfort score 49 this month (April leads the year at 88). Daylight is calculated as 10 h 00 from latitude 32.76°. Open-water sea temperature is 18.0°C (16 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4597882
- NOAA station
- USC00388405 · SULLIVANS IS
- Station distance
- 1.9 km from the place centre
- Coverage
- Strong coverage · 26 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.