Golden Valley, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 52.1 °F (low) to 78.9 °F (high). Annual precipitation averages 8.6 Inches. Golden Valley is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Jan. 11 - Jan. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.5 °F | 58.7 °F | 1.22 in. |
| February | 37.7 °F | 62.4 °F | 1.48 in. |
| March | 42.2 °F | 69.1 °F | 1.02 in. |
| April | 47.6 °F | 75.8 °F | 0.39 in. |
| May | 56.7 °F | 85.4 °F | 0.25 in. |
| June | 65.6 °F | 95.8 °F | 0.04 in. |
| July | 73.0 °F | 100.3 °F | 0.54 in. |
| August | 72.0 °F | 99.0 °F | 0.87 in. |
| September | 64.5 °F | 93.2 °F | 0.77 in. |
| October | 52.5 °F | 80.7 °F | 0.59 in. |
| November | 42.2 °F | 68.0 °F | 0.5 in. |
| December | 35.5 °F | 57.8 °F | 0.94 in. |
| Annual | 52.1 °F | 78.9 °F | 8.61 in. |
| Average First Frost Date | Jan. 11 - Jan. 20 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |