Passapatanzy, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.9 °F (low) to 67.9 °F (high). Annual precipitation averages 44 Inches. Passapatanzy 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 | 26.2 °F | 45.8 °F | 3.1 in. |
| February | 27.6 °F | 49.3 °F | 2.66 in. |
| March | 34.2 °F | 57.3 °F | 3.82 in. |
| April | 43.8 °F | 67.5 °F | 3.31 in. |
| May | 53.6 °F | 76.5 °F | 4.06 in. |
| June | 62.4 °F | 84.4 °F | 4.13 in. |
| July | 67.0 °F | 88.9 °F | 4.43 in. |
| August | 64.9 °F | 86.8 °F | 3.77 in. |
| September | 58.7 °F | 80.3 °F | 4.34 in. |
| October | 46.6 °F | 69.8 °F | 3.58 in. |
| November | 35.9 °F | 59.1 °F | 3.25 in. |
| December | 29.5 °F | 49.5 °F | 3.53 in. |
| Annual | 45.9 °F | 67.9 °F | 43.98 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 |