Middletown, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 43.1 °F (low) to 65.2 °F (high). Annual precipitation averages 40.1 Inches. Middletown is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.3 °F | 42.3 °F | 2.63 in. |
| February | 25.0 °F | 45.6 °F | 2.19 in. |
| March | 31.5 °F | 53.7 °F | 3.22 in. |
| April | 41.3 °F | 65.7 °F | 3.37 in. |
| May | 50.8 °F | 73.9 °F | 4.12 in. |
| June | 59.8 °F | 82.3 °F | 4.79 in. |
| July | 64.1 °F | 86.8 °F | 3.75 in. |
| August | 62.4 °F | 85.0 °F | 3.15 in. |
| September | 55.0 °F | 78.3 °F | 4.31 in. |
| October | 43.3 °F | 67.1 °F | 3.09 in. |
| November | 33.8 °F | 55.7 °F | 2.7 in. |
| December | 27.2 °F | 45.9 °F | 2.79 in. |
| Annual | 43.1 °F | 65.2 °F | 40.11 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |