The average daily temperature in Flagstaff right through May is 13 with a high of 23 with low daily temperautes being 5 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 23 |
| Low Temperature | 5 |
| Sunshine Per Day | 10 |
Useful Links: Flagstaff Weather: Average Weather & Yearly Climate