Buena Vista, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.6 °C (low) to 19.9 °C (high). Annual precipitation averages 1102.1 Millimeters. Buena Vista is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.1 °C | 7.7 °C | 74.42 mm |
| February | -3.2 °C | 10.1 °C | 67.31 mm |
| March | 0.3 °C | 14.6 °C | 88.14 mm |
| April | 5.7 °C | 20.8 °C | 96.27 mm |
| May | 11.1 °C | 24.6 °C | 101.09 mm |
| June | 15.7 °C | 28.6 °C | 113.03 mm |
| July | 18 °C | 30.7 °C | 97.79 mm |
| August | 17.3 °C | 29.7 °C | 77.47 mm |
| September | 13.4 °C | 26.4 °C | 118.11 mm |
| October | 6.6 °C | 21.1 °C | 85.6 mm |
| November | 0.8 °C | 14.9 °C | 92.71 mm |
| December | -2.6 °C | 9.7 °C | 90.17 mm |
| Annual | 6.6 °C | 19.9 °C | 1102.11 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |