Gargatha, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.8 °F (low) to 67.6 °F (high). Annual precipitation averages 46.4 Inches. Gargatha is located in USDA Plant Hardiness Zone 8a. 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 | 30.1 °F | 47.8 °F | 3.35 in. |
| February | 31.3 °F | 49.8 °F | 3.03 in. |
| March | 37.7 °F | 55.8 °F | 4.14 in. |
| April | 46.8 °F | 65.9 °F | 3.37 in. |
| May | 56.4 °F | 74.8 °F | 3.7 in. |
| June | 65.3 °F | 83.1 °F | 3.88 in. |
| July | 70.5 °F | 87.3 °F | 4.36 in. |
| August | 68.2 °F | 85.3 °F | 4.66 in. |
| September | 63.0 °F | 80.3 °F | 4.83 in. |
| October | 52.0 °F | 69.7 °F | 4.31 in. |
| November | 41.3 °F | 59.8 °F | 2.93 in. |
| December | 34.8 °F | 51.9 °F | 3.84 in. |
| Annual | 49.8 °F | 67.6 °F | 46.4 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 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |