Tuba City, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 5.7 °C (low) to 21.8 °C (high). Annual precipitation averages 159.5 Millimeters. Tuba City is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.6 °C | 8.5 °C | 13.72 mm |
| February | -2.6 °C | 12.1 °C | 14.73 mm |
| March | 0.9 °C | 17 °C | 12.7 mm |
| April | 4.1 °C | 21.3 °C | 6.86 mm |
| May | 9.2 °C | 26.5 °C | 9.4 mm |
| June | 14 °C | 32.8 °C | 2.29 mm |
| July | 17.8 °C | 34.9 °C | 17.27 mm |
| August | 16.9 °C | 33.3 °C | 21.34 mm |
| September | 12.6 °C | 29.5 °C | 26.92 mm |
| October | 5.7 °C | 22.8 °C | 16.76 mm |
| November | -0.6 °C | 14.2 °C | 8.89 mm |
| December | -4.9 °C | 8.2 °C | 8.64 mm |
| Annual | 5.7 °C | 21.8 °C | 159.52 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |