United States · 1991–2020 normal
Rockwell in
December.
Typical December weather in Rockwell: -1.2°C by day, -10.1°C at night, 32 mm of rain over 5.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-1.2°C
Typical low-10.1°C
Rain32 mm
Wet days5.2
Comfort score 5 this month (August leads the year at 79). Daylight is calculated as 9 h 01 from latitude 42.99°.
Event window
Frost-level nights in December
The measured night-time normal is -10.1°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4873424
- NOAA station
- USC00135230 · MASON CITY
- Station distance
- 19.8 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.