Columbia, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.6 °C (low) to 20.7 °C (high). Annual precipitation averages 1120.7 Millimeters. Columbia 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.3 °C | 8.6 °C | 82.04 mm |
| February | -3.4 °C | 10.5 °C | 68.33 mm |
| March | 0.2 °C | 15.1 °C | 96.27 mm |
| April | 5.6 °C | 21.4 °C | 85.85 mm |
| May | 11 °C | 25.2 °C | 102.36 mm |
| June | 15.8 °C | 29.4 °C | 105.16 mm |
| July | 18.4 °C | 31.7 °C | 102.36 mm |
| August | 17.4 °C | 30.8 °C | 92.71 mm |
| September | 13.5 °C | 27.4 °C | 107.19 mm |
| October | 6.5 °C | 21.7 °C | 97.28 mm |
| November | 0.6 °C | 15.8 °C | 90.42 mm |
| December | -2.6 °C | 10.4 °C | 90.68 mm |
| Annual | 6.6 °C | 20.7 °C | 1120.65 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 |