Stuart, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.3 °C (low) to 20 °C (high). Annual precipitation averages 1360.9 Millimeters. Stuart is located in USDA Plant Hardiness Zone 7b. 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 | -3.1 °C | 8.6 °C | 102.62 mm |
| February | -2 °C | 10.6 °C | 79.5 mm |
| March | 1.4 °C | 15 °C | 107.19 mm |
| April | 6.3 °C | 20.6 °C | 117.09 mm |
| May | 11.4 °C | 24.4 °C | 131.83 mm |
| June | 15.9 °C | 28.2 °C | 144.78 mm |
| July | 18.3 °C | 30.1 °C | 130.81 mm |
| August | 17.6 °C | 29.2 °C | 134.37 mm |
| September | 14.1 °C | 26.1 °C | 132.33 mm |
| October | 7.3 °C | 21.1 °C | 87.88 mm |
| November | 1.6 °C | 15.3 °C | 87.88 mm |
| December | -1.4 °C | 10.3 °C | 104.65 mm |
| Annual | 7.3 °C | 20 °C | 1360.93 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |