Front Royal, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.4 °C (low) to 18.6 °C (high). Annual precipitation averages 1026.7 Millimeters. Front Royal is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.6 °C | 5.7 °C | 70.1 mm |
| February | -3.6 °C | 7.7 °C | 57.4 mm |
| March | -0.1 °C | 12.1 °C | 83.31 mm |
| April | 5.5 °C | 18.9 °C | 81.03 mm |
| May | 10.6 °C | 23.3 °C | 109.22 mm |
| June | 15.7 °C | 28.2 °C | 111.51 mm |
| July | 18.2 °C | 30.8 °C | 90.68 mm |
| August | 17.2 °C | 29.6 °C | 83.57 mm |
| September | 13.1 °C | 25.8 °C | 116.33 mm |
| October | 6.6 °C | 19.8 °C | 78.99 mm |
| November | 1.1 °C | 13.3 °C | 76.45 mm |
| December | -2.6 °C | 8 °C | 68.07 mm |
| Annual | 6.4 °C | 18.6 °C | 1026.66 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |