Climate almanac
Marshalltown
Iowa, United States · 42.05°, -92.91°
What is the weather like in Marshalltown in January?
In January, Marshalltown is typically 29°F (-1°C) during the day and 15°F (-9°C) at night. The month brings about 1.7 in (42 mm) of precipitation in total. Snowfall averages about 7.2 in (182 mm) over the month.
- Average high29°F (-1°C)
- Average low15°F (-9°C)
- Precipitation1.7 in (42 mm)
- Clear or mostly clear days7
- Snowfall7.2 in (182 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)