Leona, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.4 °F (low) to 78.2 °F (high). Annual precipitation averages 43.5 Inches. Leona is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.2 °F | 59.6 °F | 3.69 in. |
| February | 40.9 °F | 63.7 °F | 3.29 in. |
| March | 47.2 °F | 70.7 °F | 3.79 in. |
| April | 54.2 °F | 77.8 °F | 3.3 in. |
| May | 63.5 °F | 84.6 °F | 4.58 in. |
| June | 70.4 °F | 91.0 °F | 3.86 in. |
| July | 72.8 °F | 94.5 °F | 2.5 in. |
| August | 72.2 °F | 95.4 °F | 2.93 in. |
| September | 66.4 °F | 89.6 °F | 3.5 in. |
| October | 55.5 °F | 80.6 °F | 4.27 in. |
| November | 46.0 °F | 69.5 °F | 3.8 in. |
| December | 38.8 °F | 61.3 °F | 4.0 in. |
| Annual | 55.4 °F | 78.2 °F | 43.51 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |