DeSoto, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.3 °F (low) to 76.6 °F (high). Annual precipitation averages 40.4 Inches. DeSoto 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.5 °F | 56.6 °F | 2.75 in. |
| February | 39.0 °F | 60.4 °F | 2.88 in. |
| March | 46.3 °F | 67.8 °F | 3.62 in. |
| April | 53.9 °F | 75.6 °F | 3.74 in. |
| May | 63.3 °F | 83.0 °F | 4.55 in. |
| June | 71.3 °F | 91.1 °F | 3.91 in. |
| July | 74.4 °F | 95.2 °F | 2.16 in. |
| August | 74.2 °F | 95.9 °F | 2.37 in. |
| September | 67.1 °F | 89.2 °F | 3.26 in. |
| October | 55.7 °F | 78.7 °F | 4.86 in. |
| November | 45.6 °F | 67.0 °F | 3.01 in. |
| December | 37.2 °F | 58.2 °F | 3.29 in. |
| Annual | 55.3 °F | 76.6 °F | 40.4 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 |