Gardnerville Ranchos, Nevada has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 0.3 °C (low) to 19.5 °C (high). Annual precipitation averages 279.4 Millimeters. Gardnerville Ranchos is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.7 °C | 8.6 °C | 52.07 mm |
| February | -5.4 °C | 10.4 °C | 40.89 mm |
| March | -2.9 °C | 14.1 °C | 32.26 mm |
| April | -1.2 °C | 16.8 °C | 14.99 mm |
| May | 2.7 °C | 21.6 °C | 17.02 mm |
| June | 6.1 °C | 27.5 °C | 9.4 mm |
| July | 9.7 °C | 32.3 °C | 5.84 mm |
| August | 8.8 °C | 31.8 °C | 6.86 mm |
| September | 4.9 °C | 27.9 °C | 5.84 mm |
| October | -0.2 °C | 21.4 °C | 17.53 mm |
| November | -4.6 °C | 13.7 °C | 24.64 mm |
| December | -7.1 °C | 8.1 °C | 52.07 mm |
| Annual | 0.3 °C | 19.5 °C | 279.41 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |