Centreville, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.4 °C (low) to 18.9 °C (high). Annual precipitation averages 1101.1 Millimeters. Centreville is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.9 °C | 6.1 °C | 73.66 mm |
| February | -3.2 °C | 7.9 °C | 65.28 mm |
| March | 0.7 °C | 12.7 °C | 91.95 mm |
| April | 6.2 °C | 19.2 °C | 80.52 mm |
| May | 11.6 °C | 23.6 °C | 109.73 mm |
| June | 16.6 °C | 28.4 °C | 112.01 mm |
| July | 19.3 °C | 30.8 °C | 109.22 mm |
| August | 18.3 °C | 29.8 °C | 89.66 mm |
| September | 14.6 °C | 26.3 °C | 106.93 mm |
| October | 7.8 °C | 19.9 °C | 92.96 mm |
| November | 2.1 °C | 13.8 °C | 79.25 mm |
| December | -1.6 °C | 8.2 °C | 89.92 mm |
| Annual | 7.4 °C | 18.9 °C | 1101.09 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |