Keams Canyon, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 2.1 °C (low) to 19 °C (high). Annual precipitation averages 226.8 Millimeters. Keams Canyon is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.8 °C | 6.9 °C | 21.08 mm |
| February | -5.8 °C | 9.1 °C | 21.34 mm |
| March | -3.2 °C | 13.7 °C | 18.8 mm |
| April | 0.3 °C | 18 °C | 11.94 mm |
| May | 4.4 °C | 22.9 °C | 8.89 mm |
| June | 9.3 °C | 29.8 °C | 2.29 mm |
| July | 13.8 °C | 31.8 °C | 24.64 mm |
| August | 13.1 °C | 29.9 °C | 38.86 mm |
| September | 9.1 °C | 26.5 °C | 25.65 mm |
| October | 2.4 °C | 20.3 °C | 20.32 mm |
| November | -3 °C | 12.8 °C | 12.45 mm |
| December | -7.7 °C | 6.6 °C | 20.57 mm |
| Annual | 2.1 °C | 19 °C | 226.83 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |