Captains Cove, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 19.2 °C (high). Annual precipitation averages 1170.4 Millimeters. Captains Cove is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.1 °C | 8.1 °C | 90.93 mm |
| February | -0.5 °C | 9.1 °C | 76.96 mm |
| March | 3.1 °C | 12.5 °C | 104.9 mm |
| April | 8.2 °C | 18 °C | 83.57 mm |
| May | 13.4 °C | 22.8 °C | 90.68 mm |
| June | 18.6 °C | 27.4 °C | 92.71 mm |
| July | 21.4 °C | 30.1 °C | 106.17 mm |
| August | 20.4 °C | 29.2 °C | 115.82 mm |
| September | 17.5 °C | 26.2 °C | 118.87 mm |
| October | 11.2 °C | 20.9 °C | 110.49 mm |
| November | 5.3 °C | 15 °C | 79.25 mm |
| December | 1.4 °C | 10.6 °C | 100.08 mm |
| Annual | 9.9 °C | 19.2 °C | 1170.43 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |