Moapa Valley, Nevada has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 11.8 °C (low) to 28.8 °C (high). Annual precipitation averages 123.9 Millimeters. Moapa Valley is located in USDA Plant Hardiness Zone 9a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.4 °C | 16.2 °C | 16.51 mm |
| February | 3.6 °C | 18.8 °C | 21.84 mm |
| March | 7.1 °C | 23.4 °C | 15.49 mm |
| April | 10.4 °C | 27.8 °C | 6.1 mm |
| May | 15.4 °C | 33.2 °C | 3.56 mm |
| June | 19.8 °C | 39.4 °C | 1.52 mm |
| July | 24 °C | 42.3 °C | 9.14 mm |
| August | 23.6 °C | 41.3 °C | 8.38 mm |
| September | 18.8 °C | 37.2 °C | 7.87 mm |
| October | 11.8 °C | 29.6 °C | 9.65 mm |
| November | 4.9 °C | 21.6 °C | 8.38 mm |
| December | 0.9 °C | 15.3 °C | 15.49 mm |
| Annual | 11.8 °C | 28.8 °C | 123.93 mm |
| Average First Frost Date | Jan. 21 - Jan. 31 |
| Average Last Frost Date | |
| 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 | Severe Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |