Mendota, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.2 °F (low) to 68.3 °F (high). Annual precipitation averages 49.9 Inches. Mendota 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 | 26.4 °F | 46.1 °F | 4.17 in. |
| February | 28.7 °F | 50.2 °F | 4.27 in. |
| March | 35.3 °F | 58.9 °F | 4.44 in. |
| April | 43.8 °F | 69.9 °F | 4.62 in. |
| May | 52.8 °F | 77.6 °F | 4.3 in. |
| June | 60.9 °F | 83.9 °F | 5.0 in. |
| July | 64.7 °F | 86.7 °F | 4.89 in. |
| August | 63.5 °F | 85.8 °F | 4.19 in. |
| September | 57.1 °F | 81.3 °F | 3.18 in. |
| October | 45.0 °F | 70.8 °F | 3.02 in. |
| November | 34.4 °F | 58.9 °F | 3.15 in. |
| December | 29.4 °F | 49.5 °F | 4.62 in. |
| Annual | 45.2 °F | 68.3 °F | 49.85 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |