Metompkin, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.1 °C (low) to 19.6 °C (high). Annual precipitation averages 1178.3 Millimeters. Metompkin 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.8 °C | 8.6 °C | 85.34 mm |
| February | -0.2 °C | 9.7 °C | 76.71 mm |
| March | 3.3 °C | 13.1 °C | 104.9 mm |
| April | 8.4 °C | 18.7 °C | 85.34 mm |
| May | 13.7 °C | 23.6 °C | 93.73 mm |
| June | 18.7 °C | 28.3 °C | 99.31 mm |
| July | 21.6 °C | 30.6 °C | 111.25 mm |
| August | 20.4 °C | 29.4 °C | 117.86 mm |
| September | 17.4 °C | 26.7 °C | 120.4 mm |
| October | 11.3 °C | 20.8 °C | 110.24 mm |
| November | 5.5 °C | 15.2 °C | 76.2 mm |
| December | 1.7 °C | 10.9 °C | 97.03 mm |
| Annual | 10.1 °C | 19.6 °C | 1178.31 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |