Midlothian, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.7 °F (low) to 76.3 °F (high). Annual precipitation averages 39.4 Inches. Midlothian is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.1 °F | 56.5 °F | 2.69 in. |
| February | 38.7 °F | 60.4 °F | 2.93 in. |
| March | 45.8 °F | 67.8 °F | 3.51 in. |
| April | 53.1 °F | 75.3 °F | 3.64 in. |
| May | 62.6 °F | 82.7 °F | 4.32 in. |
| June | 70.5 °F | 90.8 °F | 3.94 in. |
| July | 73.5 °F | 94.8 °F | 1.9 in. |
| August | 73.3 °F | 95.3 °F | 2.47 in. |
| September | 66.2 °F | 88.7 °F | 3.21 in. |
| October | 55.3 °F | 78.2 °F | 4.6 in. |
| November | 45.1 °F | 66.7 °F | 2.98 in. |
| December | 36.8 °F | 58.0 °F | 3.16 in. |
| Annual | 54.7 °F | 76.3 °F | 39.35 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |