Charles City, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.8 °F (low) to 70.4 °F (high). Annual precipitation averages 48.4 Inches. Charles City is located in USDA Plant Hardiness Zone 7b. 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 | 28.1 °F | 49.1 °F | 3.44 in. |
| February | 29.6 °F | 52.4 °F | 2.78 in. |
| March | 36.0 °F | 60.1 °F | 4.1 in. |
| April | 46.0 °F | 71.3 °F | 3.64 in. |
| May | 55.7 °F | 78.4 °F | 3.97 in. |
| June | 64.3 °F | 86.2 °F | 4.59 in. |
| July | 68.6 °F | 90.1 °F | 5.06 in. |
| August | 67.0 °F | 88.4 °F | 5.12 in. |
| September | 60.9 °F | 82.6 °F | 4.99 in. |
| October | 48.3 °F | 72.2 °F | 3.9 in. |
| November | 37.8 °F | 61.5 °F | 3.2 in. |
| December | 31.4 °F | 52.5 °F | 3.61 in. |
| Annual | 47.8 °F | 70.4 °F | 48.4 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |