New Baltimore, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.8 °C (low) to 18.8 °C (high). Annual precipitation averages 1139.5 Millimeters. New Baltimore 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 | -4.3 °C | 6.6 °C | 77.98 mm |
| February | -3.4 °C | 7.8 °C | 65.79 mm |
| March | 0.2 °C | 12.5 °C | 95.5 mm |
| April | 5.8 °C | 19 °C | 88.9 mm |
| May | 11.1 °C | 23.4 °C | 115.32 mm |
| June | 15.9 °C | 28.1 °C | 116.84 mm |
| July | 18.5 °C | 30.4 °C | 109.22 mm |
| August | 17.6 °C | 29.6 °C | 89.92 mm |
| September | 13.7 °C | 26.2 °C | 114.81 mm |
| October | 7.1 °C | 19.8 °C | 93.73 mm |
| November | 1.9 °C | 13.8 °C | 81.53 mm |
| December | -2.1 °C | 8.4 °C | 89.92 mm |
| Annual | 6.8 °C | 18.8 °C | 1139.46 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 |