Sandy Valley, Nevada has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 11.1 °C (low) to 26.3 °C (high). Annual precipitation averages 129.3 Millimeters. Sandy Valley is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.2 °C | 14.6 °C | 18.54 mm |
| February | 3.2 °C | 16.7 °C | 24.89 mm |
| March | 6.3 °C | 20.6 °C | 14.48 mm |
| April | 9.3 °C | 24.8 °C | 7.11 mm |
| May | 14.2 °C | 30.2 °C | 3.81 mm |
| June | 19.1 °C | 36.2 °C | 0.76 mm |
| July | 23 °C | 39.3 °C | 12.45 mm |
| August | 22.2 °C | 38.4 °C | 8.64 mm |
| September | 17.9 °C | 34.3 °C | 8.13 mm |
| October | 11.3 °C | 27 °C | 10.16 mm |
| November | 4.8 °C | 19.4 °C | 7.11 mm |
| December | 0.8 °C | 13.8 °C | 13.21 mm |
| Annual | 11.1 °C | 26.3 °C | 129.29 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |