United States · 1991–2020 normal
Iron Mountain in
December.
Typical December weather in Iron Mountain: -2°C by day, -10.6°C at night, 16 mm of rain over 3.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-2°C
Typical low-10.6°C
Rain16 mm
Wet days3.7
Comfort score 5 this month (August leads the year at 82). Daylight is calculated as 8 h 41 from latitude 45.82°.
Event window
Frost-level nights in December
The measured night-time normal is -10.6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4997232
- NOAA station
- USW00094893 · IRON MTN FORD AP
- Station distance
- 3.7 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.