Pantops, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.7 °C (low) to 19.9 °C (high). Annual precipitation averages 1179.3 Millimeters. Pantops is located in USDA Plant Hardiness Zone 7a. 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 | -4.3 °C | 7.7 °C | 77.47 mm |
| February | -3.4 °C | 9.5 °C | 69.6 mm |
| March | 0.1 °C | 14.2 °C | 99.82 mm |
| April | 5.6 °C | 20.7 °C | 86.36 mm |
| May | 11 °C | 24.7 °C | 115.06 mm |
| June | 16.1 °C | 28.8 °C | 110.49 mm |
| July | 18.4 °C | 31.2 °C | 115.82 mm |
| August | 17.6 °C | 30.3 °C | 99.31 mm |
| September | 13.8 °C | 26.6 °C | 128.27 mm |
| October | 6.8 °C | 21 °C | 100.33 mm |
| November | 0.8 °C | 14.8 °C | 87.12 mm |
| December | -2.6 °C | 9.6 °C | 89.66 mm |
| Annual | 6.7 °C | 19.9 °C | 1179.31 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |