Carson City, Nevada has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 1.5 °C (low) to 19.1 °C (high). Annual precipitation averages 217.4 Millimeters. Carson City is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.8 °C | 8.1 °C | 45.21 mm |
| February | -4.3 °C | 10.1 °C | 29.97 mm |
| March | -1.9 °C | 13.4 °C | 25.4 mm |
| April | 0.1 °C | 16.4 °C | 11.68 mm |
| May | 3.9 °C | 21.2 °C | 13.72 mm |
| June | 7.4 °C | 26.9 °C | 9.91 mm |
| July | 11.2 °C | 31.9 °C | 4.32 mm |
| August | 10.3 °C | 31.3 °C | 3.56 mm |
| September | 6.2 °C | 27.6 °C | 3.56 mm |
| October | 1.1 °C | 20.9 °C | 13.97 mm |
| November | -3.5 °C | 13.3 °C | 19.3 mm |
| December | -6.2 °C | 7.6 °C | 36.83 mm |
| Annual | 1.5 °C | 19.1 °C | 217.43 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |