Arrington, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.9 °C (low) to 20.4 °C (high). Annual precipitation averages 1148.1 Millimeters. Arrington 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 | -3.4 °C | 8.5 °C | 87.38 mm |
| February | -2.7 °C | 10.7 °C | 66.8 mm |
| March | 0.9 °C | 15.2 °C | 93.47 mm |
| April | 6.1 °C | 21.4 °C | 84.84 mm |
| May | 11.3 °C | 24.8 °C | 126.49 mm |
| June | 15.8 °C | 28.9 °C | 108.2 mm |
| July | 18.1 °C | 30.8 °C | 100.08 mm |
| August | 17.3 °C | 29.9 °C | 92.2 mm |
| September | 13.6 °C | 26.7 °C | 116.84 mm |
| October | 6.7 °C | 21.6 °C | 86.61 mm |
| November | 1.3 °C | 15.6 °C | 86.61 mm |
| December | -1.9 °C | 10.2 °C | 98.55 mm |
| Annual | 6.9 °C | 20.4 °C | 1148.07 mm |
| 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 : -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 |