Golden Valley, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 11.2 °C (low) to 26 °C (high). Annual precipitation averages 218.7 Millimeters. 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 | 1.9 °C | 14.8 °C | 30.99 mm |
| February | 3.2 °C | 16.9 °C | 37.59 mm |
| March | 5.7 °C | 20.6 °C | 25.91 mm |
| April | 8.7 °C | 24.3 °C | 9.91 mm |
| May | 13.7 °C | 29.7 °C | 6.35 mm |
| June | 18.7 °C | 35.4 °C | 1.02 mm |
| July | 22.8 °C | 37.9 °C | 13.72 mm |
| August | 22.2 °C | 37.2 °C | 22.1 mm |
| September | 18.1 °C | 34 °C | 19.56 mm |
| October | 11.4 °C | 27.1 °C | 14.99 mm |
| November | 5.7 °C | 20 °C | 12.7 mm |
| December | 1.9 °C | 14.3 °C | 23.88 mm |
| Annual | 11.2 °C | 26 °C | 218.72 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |