Flagstaff weather by month
The best time to visit Flagstaff, United States is September. Pick a month for full climate normals and a verdict.
- Januarycold, a little rain, clean air59tier D
- Februarycold, a little rain, clean air65tier C
- Marchcold, a little rain, clean air70tier B
- Aprilnice, dry83tier A
- Maynice, a little rain90tier S
- Junewarm, dry94tier S
- Julyhot, rainy82tier A
- Augustwarm, rainy, clean air88tier A
- Septemberwarm, a little rain, clean air95tier S
- Octobernice, dry, clean air87tier A
- Novembercool, a little rain, clean air75tier B
- Decembercold, a little rain, clean air63tier C