February and March. Peak combination of mild temperatures (avg highs 69-76°F), clear desert skies, and Tucson's two biggest annual events — the Tucson Gem and Mineral Showcase (late Jan-mid Feb) and the Tucson Rodeo (late Feb) — plus early spring wildflower blooms at Saguaro National Park beginning in March. Avoids the extreme summer heat (101°F avg high in June) and monsoon rains (July-September)
| Month | High (°F) | Low (°F) | Notes |
|---|---|---|---|
| Jan | 65 | 40 | mild & mostly dry |
| Feb | 69 | 42 | mild & sunny |
| Mar | 77 | 48 | warm & sunny |
| Apr | 84 | 55 | warm & sunny |
| May | 91 | 63 | hot & sunny |
| Jun | 101 | 73 | hot & sunny |
| Jul | 99 | 78 | hot & changeable |
| Aug | 98 | 76 | hot & mostly dry |
| Sep | 94 | 71 | hot & mostly dry |
| Oct | 86 | 60 | hot & sunny |
| Nov | 76 | 49 | warm & sunny |
| Dec | 65 | 41 | mild & mostly dry |