United States · 1991–2020 normal
Decorah in
December.
Typical December weather in Decorah: 0.1°C by day, -8.9°C at night, 34 mm of rain over 5.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high0.1°C
Typical low-8.9°C
Rain34 mm
Wet days5.7
Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 8 h 59 from latitude 43.30°.
Event window
Frost-level nights in December
The measured night-time normal is -8.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4853608
- NOAA station
- USC00132110 · DECORAH
- Station distance
- 0.8 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.