Midlothian, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 20.6 °C (high). Annual precipitation averages 1167.9 Millimeters. Midlothian 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 | -2.9 °C | 8.9 °C | 87.12 mm |
| February | -2.2 °C | 10.5 °C | 70.1 mm |
| March | 1.4 °C | 14.9 °C | 101.85 mm |
| April | 7.2 °C | 21.1 °C | 86.36 mm |
| May | 12.6 °C | 24.9 °C | 103.63 mm |
| June | 17.4 °C | 29.3 °C | 105.66 mm |
| July | 19.5 °C | 31.8 °C | 112.78 mm |
| August | 19.1 °C | 30.6 °C | 116.59 mm |
| September | 15.4 °C | 27.3 °C | 114.3 mm |
| October | 8.6 °C | 21.6 °C | 93.73 mm |
| November | 2.4 °C | 15.7 °C | 83.57 mm |
| December | -1.3 °C | 10.7 °C | 92.2 mm |
| Annual | 8.1 °C | 20.6 °C | 1167.89 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 |