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Best Time for Southern Arizona: Tucson to Bisbee
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Sweet spot: January, February, March. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Sonoran winter is the whole point — saguaro forests in walking weather, Sonoran dogs after dark, and Bisbee's gallery stairways at their friendliest.
- Monsoon lightning shows crack open 40°C afternoons — dawn desert, siesta, and thunder theatre from a porch is the summer protocol.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 0.4°C | 14.9°C | 25 mm | 10.1 h | ❄ |
| February | 1.7°C | 16.7°C | 20 mm | 10.9 h | ❄ |
| March | 4.7°C | 21.1°C | 16 mm | 11.8 h | |
| April | 7.9°C | 25.3°C | 7 mm | 12.8 h | |
| May | 12.6°C | 30.4°C | 4 mm | 13.6 h | |
| June | 18.8°C | 36.2°C | 12 mm | 14.1 h | |
| July | 20.8°C | 33.4°C | 100 mm | 13.9 h | |
| August | 19.8°C | 32.5°C | 79 mm | 13.2 h | |
| September | 17.0°C | 30.8°C | 47 mm | 12.2 h | |
| October | 11.1°C | 26.2°C | 15 mm | 11.2 h | |
| November | 5.2°C | 20.1°C | 17 mm | 10.3 h | |
| December | 0.4°C | 14.6°C | 24 mm | 9.9 h | ❄ |