Weems, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.7 °F (low) to 68 °F (high). Annual precipitation averages 48.4 Inches. Weems is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.9 °F | 47.2 °F | 3.45 in. |
| February | 30.8 °F | 49.7 °F | 2.81 in. |
| March | 37.2 °F | 56.9 °F | 4.31 in. |
| April | 47.0 °F | 67.8 °F | 3.5 in. |
| May | 56.8 °F | 75.5 °F | 3.88 in. |
| June | 65.6 °F | 83.5 °F | 4.33 in. |
| July | 70.1 °F | 87.9 °F | 5.0 in. |
| August | 68.6 °F | 85.6 °F | 5.19 in. |
| September | 63.3 °F | 80.3 °F | 4.96 in. |
| October | 51.9 °F | 70.4 °F | 4.23 in. |
| November | 41.3 °F | 59.7 °F | 3.04 in. |
| December | 33.8 °F | 51.2 °F | 3.72 in. |
| Annual | 49.7 °F | 68 °F | 48.42 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |