Clay Springs, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2 °C (low) to 19.4 °C (high). Annual precipitation averages 403.6 Millimeters. Clay Springs is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.8 °C | 8.6 °C | 29.21 mm |
| February | -5.2 °C | 10.7 °C | 28.19 mm |
| March | -2.7 °C | 14.4 °C | 29.97 mm |
| April | -0.1 °C | 18.5 °C | 12.95 mm |
| May | 3.7 °C | 23.3 °C | 14.73 mm |
| June | 8.7 °C | 29.3 °C | 7.87 mm |
| July | 13.2 °C | 30.6 °C | 62.74 mm |
| August | 12.8 °C | 28.9 °C | 71.12 mm |
| September | 8.6 °C | 26.1 °C | 45.47 mm |
| October | 2.2 °C | 20.7 °C | 27.94 mm |
| November | -3.1 °C | 13.9 °C | 28.7 mm |
| December | -6.9 °C | 8.3 °C | 44.7 mm |
| Annual | 2 °C | 19.4 °C | 403.59 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 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 | BSk - Cold Semi-Arid Climate |