United States · 1991–2020 normal
Rock Hill in
December.
Typical December weather in Rock Hill: 4.6°C by day, -3.8°C at night, 86 mm of rain over 8.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4.6°C
Typical low-3.8°C
Rain86 mm
Wet days8.3
Comfort score 5 this month (September leads the year at 75). Daylight is calculated as 9 h 10 from latitude 41.63°.
Event window
Frost-level nights in December
The measured night-time normal is -3.8°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5134115
- NOAA station
- USC00305310 · MIDDLETOWN 2 NW
- Station distance
- 22.2 km from the place centre
- Coverage
- Good coverage · 18 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.