Amherst, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 44.7 °F (low) to 68.4 °F (high). Annual precipitation averages 45.6 Inches. Amherst is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.9 °F | 47.3 °F | 3.49 in. |
| February | 27.2 °F | 51.0 °F | 2.7 in. |
| March | 33.7 °F | 59.3 °F | 3.74 in. |
| April | 43.1 °F | 70.2 °F | 3.55 in. |
| May | 52.7 °F | 76.4 °F | 4.82 in. |
| June | 60.9 °F | 83.8 °F | 4.33 in. |
| July | 65.0 °F | 87.2 °F | 3.99 in. |
| August | 63.7 °F | 85.6 °F | 3.52 in. |
| September | 56.8 °F | 79.7 °F | 4.63 in. |
| October | 44.2 °F | 70.5 °F | 3.49 in. |
| November | 34.5 °F | 60.0 °F | 3.45 in. |
| December | 28.6 °F | 50.2 °F | 3.89 in. |
| Annual | 44.7 °F | 68.4 °F | 45.6 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |