Climate almanac
Lewistown
Montana, United States · 47.06°, -109.43°
What is the weather like in Lewistown in January?
In January, Lewistown is typically 33°F (0°C) during the day and 18°F (-8°C) at night. The month brings about 1.2 in (31 mm) of precipitation in total. Snowfall averages about 8.0 in (203 mm) over the month.
- Average high33°F (0°C)
- Average low18°F (-8°C)
- Precipitation1.2 in (31 mm)
- Clear or mostly clear days8
- Snowfall8.0 in (203 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)