Climate almanac
Iron Mountain
Michigan, United States · 45.82°, -88.07°
What is the weather like in Iron Mountain in December?
In December, Iron Mountain is typically 30°F (-1°C) during the day and 17°F (-8°C) at night. The month brings about 2.0 in (50 mm) of precipitation in total. Snowfall averages about 10 in (257 mm) over the month.
- Average high30°F (-1°C)
- Average low17°F (-8°C)
- Precipitation2.0 in (50 mm)
- Clear or mostly clear days3
- Snowfall10 in (257 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)