Climate almanac
Flagstaff
Arizona, United States · 35.20°, -111.65°
What is the climate like in Flagstaff?
The best time to visit Flagstaff is typically April – June, with trip comfort peaking in June (8.5/10). Flagstaff is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically July and the driest is June; the year sees roughly 25 in (623 mm) of precipitation.
- Best time to visitApril – June — comfort peaks in June (8.5/10)
- Warmest monthJuly — average high 83°F (28°C)
- Coolest monthJanuary — average low 23°F (-5°C)
- Wettest monthJuly (4.9 in (124 mm))
- Driest monthJune (0.8 in (21 mm))
- Annual precipitation25 in (623 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromFlagstaff AP, 6 km away (1893-2026)