Ladonia, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.7 °F (low) to 74.6 °F (high). Annual precipitation averages 44.9 Inches. Ladonia is located in USDA Plant Hardiness Zone 8a. 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 | 32.6 °F | 54.1 °F | 2.94 in. |
| February | 36.1 °F | 58.2 °F | 3.26 in. |
| March | 43.5 °F | 65.9 °F | 4.06 in. |
| April | 51.0 °F | 73.5 °F | 3.94 in. |
| May | 60.9 °F | 80.9 °F | 5.21 in. |
| June | 69.0 °F | 89.0 °F | 3.93 in. |
| July | 72.5 °F | 93.7 °F | 2.68 in. |
| August | 71.5 °F | 94.1 °F | 2.78 in. |
| September | 64.5 °F | 87.5 °F | 3.46 in. |
| October | 53.0 °F | 77.0 °F | 4.83 in. |
| November | 42.8 °F | 65.2 °F | 3.75 in. |
| December | 34.8 °F | 56.1 °F | 4.01 in. |
| Annual | 52.7 °F | 74.6 °F | 44.85 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 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |