Arizona weather in March
March splits Arizona wide open: Phoenix runs 78° afternoons while Flagstaff sees real snow.
Based on 5 weather stations. Five stations from the desert floor to seven thousand feet — Arizona is really two climates stacked a mile apart, and the rows below keep them separate.
The Desert
Highs 76–78°, nights 48–55°, and 0.6–0.8 in of rain in a typical March.
Red Rock Country
Highs near 68°, nights around 40°, and 1.9 in of rain in a typical March.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Sedona | 68° / 40° | 5 | Trails firm up, crowds return, storms still roll through. |
High Country
Highs 52–54°, nights 24–25°, and up to 15.6 in of snow in a typical March.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Flagstaff | 52° / 24° | 5 | 15.6 in | Snow and mud in the same week — pick waterproof. |
| Grand Canyon | 54° / 25° | 3 | 8.1 in | Still icy up top, already warming far below. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.