Safford, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 9.3 °C (low) to 27.7 °C (high). Annual precipitation averages 225 Millimeters. Safford is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.7 °C | 16.7 °C | 18.54 mm |
| February | 1.2 °C | 19.3 °C | 17.78 mm |
| March | 4.2 °C | 23.2 °C | 13.97 mm |
| April | 7.2 °C | 27.8 °C | 6.1 mm |
| May | 12 °C | 32.7 °C | 4.57 mm |
| June | 17.3 °C | 37.4 °C | 4.83 mm |
| July | 21.3 °C | 37.5 °C | 40.89 mm |
| August | 20.6 °C | 36.2 °C | 43.18 mm |
| September | 16.7 °C | 33.9 °C | 26.16 mm |
| October | 9.4 °C | 29.2 °C | 15.24 mm |
| November | 3.1 °C | 22.1 °C | 11.94 mm |
| December | -0.6 °C | 16.1 °C | 21.84 mm |
| Annual | 9.3 °C | 27.7 °C | 225.04 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |