Topaz Lake, Nevada has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.3 °C (low) to 19.6 °C (high). Annual precipitation averages 234.7 Millimeters. Topaz Lake 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 Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.3 °C | 8.4 °C | 36.07 mm |
| February | -5.2 °C | 10.2 °C | 33.53 mm |
| March | -2.4 °C | 13.6 °C | 29.97 mm |
| April | -0.4 °C | 17.3 °C | 13.97 mm |
| May | 3.8 °C | 22.1 °C | 22.1 mm |
| June | 7.3 °C | 27.8 °C | 12.19 mm |
| July | 11.2 °C | 32.8 °C | 10.41 mm |
| August | 10.4 °C | 32.2 °C | 7.62 mm |
| September | 6.3 °C | 28 °C | 5.08 mm |
| October | 1.1 °C | 21.1 °C | 13.97 mm |
| November | -4.1 °C | 13.3 °C | 20.07 mm |
| December | -6.6 °C | 8.1 °C | 29.72 mm |
| Annual | 1.3 °C | 19.6 °C | 234.7 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 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 | BSk - Cold Semi-Arid Climate |