United States · 1991–2020 normal
Rolla in
December.
Typical December weather in Rolla: -6.7°C by day, -15.5°C at night, 12 mm of rain over 3.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-6.7°C
Typical low-15.5°C
Rain12 mm
Wet days3.4
Comfort score 5 this month (August leads the year at 85). Daylight is calculated as 8 h 16 from latitude 48.86°.
Event window
Frost-level nights in December
The measured night-time normal is -15.5°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5061159
- NOAA station
- USC00327664 · ROLLA 1NE
- Station distance
- 3.5 km from the place centre
- Coverage
- Good coverage · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.