Cape Charles, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.7 °F (low) to 67.6 °F (high). Annual precipitation averages 45.5 Inches. Cape Charles is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.1 °F | 47.7 °F | 3.27 in. |
| February | 34.0 °F | 49.9 °F | 2.78 in. |
| March | 39.5 °F | 55.6 °F | 3.89 in. |
| April | 49.3 °F | 66.8 °F | 3.29 in. |
| May | 58.8 °F | 74.4 °F | 3.33 in. |
| June | 67.8 °F | 83.1 °F | 3.83 in. |
| July | 72.7 °F | 87.0 °F | 4.53 in. |
| August | 71.4 °F | 84.8 °F | 5.06 in. |
| September | 66.9 °F | 80.1 °F | 4.67 in. |
| October | 56.0 °F | 70.1 °F | 3.73 in. |
| November | 45.2 °F | 60.0 °F | 3.41 in. |
| December | 37.8 °F | 52.2 °F | 3.72 in. |
| Annual | 52.7 °F | 67.6 °F | 45.51 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |