Climate almanac
Decorah
Iowa, United States · 43.30°, -91.79°
What is the weather like in Decorah in January?
In January, Decorah is typically 27°F (-3°C) during the day and 14°F (-10°C) at night. The month brings about 1.6 in (40 mm) of precipitation in total. Snowfall averages about 7.4 in (187 mm) over the month.
- Average high27°F (-3°C)
- Average low14°F (-10°C)
- Precipitation1.6 in (40 mm)
- Clear or mostly clear days6
- Snowfall7.4 in (187 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)