Climate almanac
Flagstaff
Arizona, United States · 35.20°, -111.65°
What is the weather like in Flagstaff in January?
In January, Flagstaff is typically 41°F (5°C) during the day and 23°F (-5°C) at night. The month brings about 2.0 in (50 mm) of precipitation in total. Snowfall averages about 12 in (305 mm) over the month.
- Average high41°F (5°C)
- Average low23°F (-5°C)
- Precipitation2.0 in (50 mm)
- Clear or mostly clear days15
- Snowfall12 in (305 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)