Staunton, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.2 °C (low) to 18.3 °C (high). Annual precipitation averages 1018.5 Millimeters. Staunton 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 | -4.7 °C | 6.2 °C | 71.88 mm |
| February | -3.4 °C | 8.2 °C | 54.36 mm |
| March | -0.1 °C | 12.5 °C | 85.09 mm |
| April | 5.3 °C | 18.7 °C | 82.04 mm |
| May | 10.5 °C | 23.1 °C | 102.11 mm |
| June | 15.3 °C | 27.3 °C | 106.43 mm |
| July | 17.4 °C | 29.3 °C | 104.65 mm |
| August | 16.6 °C | 28.7 °C | 98.3 mm |
| September | 12.8 °C | 25.2 °C | 105.66 mm |
| October | 6.3 °C | 19.5 °C | 65.02 mm |
| November | 0.8 °C | 13.3 °C | 66.55 mm |
| December | -2.7 °C | 8.1 °C | 76.45 mm |
| Annual | 6.2 °C | 18.3 °C | 1018.54 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |