Dyer, Nevada has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 2.4 °C (low) to 20.8 °C (high). Annual precipitation averages 121.2 Millimeters. Dyer is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.8 °C | 8.9 °C | 10.41 mm |
| February | -4.3 °C | 11.4 °C | 14.22 mm |
| March | -1.7 °C | 15.9 °C | 14.99 mm |
| April | 1.1 °C | 19.2 °C | 10.41 mm |
| May | 5.7 °C | 24.4 °C | 13.21 mm |
| June | 10.2 °C | 30.4 °C | 6.86 mm |
| July | 13.7 °C | 34 °C | 9.14 mm |
| August | 12.3 °C | 32.8 °C | 7.11 mm |
| September | 7.8 °C | 28.7 °C | 7.87 mm |
| October | 2.1 °C | 21.8 °C | 9.91 mm |
| November | -3.7 °C | 14.3 °C | 7.62 mm |
| December | -7.6 °C | 8.3 °C | 9.4 mm |
| Annual | 2.4 °C | 20.8 °C | 121.15 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BWk - Cold Desert Climate |