Cana, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.9 °C (low) to 19.8 °C (high). Annual precipitation averages 1326.1 Millimeters. Cana is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.3 °C | 8.4 °C | 103.38 mm |
| February | -2.3 °C | 10.3 °C | 83.31 mm |
| March | 1.1 °C | 14.7 °C | 111 mm |
| April | 5.9 °C | 20.3 °C | 113.28 mm |
| May | 11.1 °C | 24.3 °C | 123.95 mm |
| June | 15.6 °C | 28.2 °C | 127.51 mm |
| July | 17.8 °C | 29.9 °C | 133.86 mm |
| August | 17.2 °C | 29.1 °C | 127.51 mm |
| September | 13.7 °C | 26 °C | 116.33 mm |
| October | 6.9 °C | 20.8 °C | 89.15 mm |
| November | 1.3 °C | 15.1 °C | 87.63 mm |
| December | -1.8 °C | 10.1 °C | 109.22 mm |
| Annual | 6.9 °C | 19.8 °C | 1326.13 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |