United States · 1991–2020 normal
Rock Rapids in
December.
Typical December weather in Rock Rapids: -0.9°C by day, -11.2°C at night, 21 mm of rain over 4.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-0.9°C
Typical low-11.2°C
Rain21 mm
Wet days4.3
Comfort score 5 this month (September leads the year at 80). Daylight is calculated as 8 h 58 from latitude 43.43°.
Event window
Frost-level nights in December
The measured night-time normal is -11.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4873354
- NOAA station
- USC00137147 · ROCK RAPIDS
- Station distance
- 0.6 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.