Captains Cove, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.8 °F (low) to 66.5 °F (high). Annual precipitation averages 46.1 Inches. 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 | 30.0 °F | 46.5 °F | 3.58 in. |
| February | 31.1 °F | 48.3 °F | 3.03 in. |
| March | 37.6 °F | 54.5 °F | 4.13 in. |
| April | 46.8 °F | 64.4 °F | 3.29 in. |
| May | 56.1 °F | 73.0 °F | 3.57 in. |
| June | 65.5 °F | 81.4 °F | 3.65 in. |
| July | 70.6 °F | 86.1 °F | 4.18 in. |
| August | 68.7 °F | 84.5 °F | 4.56 in. |
| September | 63.5 °F | 79.2 °F | 4.68 in. |
| October | 52.1 °F | 69.6 °F | 4.35 in. |
| November | 41.5 °F | 59.0 °F | 3.12 in. |
| December | 34.6 °F | 51.0 °F | 3.94 in. |
| Annual | 49.8 °F | 66.5 °F | 46.08 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |