Climate almanac
Flagstaff
Arizona, United States · 35.20°, -111.65°
What is the weather like in Flagstaff in August?
In August, Flagstaff is typically 79°F (26°C) during the day and 57°F (14°C) at night. The month brings about 3.8 in (96 mm) of precipitation in total.
- Average high79°F (26°C)
- Average low57°F (14°C)
- Precipitation3.8 in (96 mm)
- Clear or mostly clear days14
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)