Climate almanac
Idaho Falls
Idaho, United States · 43.47°, -112.03°
What is the weather like in Idaho Falls in January?
In January, Idaho Falls is typically 30°F (-1°C) during the day and 17°F (-8°C) at night. The month brings about 1.7 in (44 mm) of precipitation in total. Snowfall averages about 11 in (284 mm) over the month.
- Average high30°F (-1°C)
- Average low17°F (-8°C)
- Precipitation1.7 in (44 mm)
- Clear or mostly clear days7
- Snowfall11 in (284 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)