Climate almanac
Sun Valley
Nevada, United States · 39.60°, -119.78°
What is the weather like in Sun Valley in January?
In January, Sun Valley is typically 42°F (6°C) during the day and 25°F (-4°C) at night. The month brings about 3.4 in (86 mm) of precipitation in total. Snowfall averages about 17 in (437 mm) over the month.
- Average high42°F (6°C)
- Average low25°F (-4°C)
- Precipitation3.4 in (86 mm)
- Clear or mostly clear days8
- Snowfall17 in (437 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)