Centreville, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 19.2 °C (high). Annual precipitation averages 1168.7 Millimeters. Centreville 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.9 °C | 6.7 °C | 84.84 mm |
| February | -2.3 °C | 8.1 °C | 73.66 mm |
| March | 1.4 °C | 12.5 °C | 101.85 mm |
| April | 6.8 °C | 18.9 °C | 88.65 mm |
| May | 12.2 °C | 23.9 °C | 103.89 mm |
| June | 17.2 °C | 28.7 °C | 112.78 mm |
| July | 19.8 °C | 31.1 °C | 106.93 mm |
| August | 18.7 °C | 30.1 °C | 107.95 mm |
| September | 15.1 °C | 26.7 °C | 108.2 mm |
| October | 8.6 °C | 20.5 °C | 100.58 mm |
| November | 3.2 °C | 14.4 °C | 81.79 mm |
| December | -0.6 °C | 9 °C | 97.54 mm |
| Annual | 8.1 °C | 19.2 °C | 1168.66 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°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 |