Annona, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.8 °F (low) to 75 °F (high). Annual precipitation averages 50.1 Inches. Annona 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 | 32.3 °F | 54.6 °F | 3.44 in. |
| February | 35.6 °F | 58.7 °F | 3.92 in. |
| March | 43.0 °F | 66.7 °F | 4.81 in. |
| April | 50.3 °F | 74.2 °F | 4.68 in. |
| May | 60.2 °F | 81.3 °F | 5.17 in. |
| June | 68.2 °F | 89.2 °F | 4.13 in. |
| July | 71.2 °F | 93.5 °F | 3.14 in. |
| August | 70.1 °F | 94.1 °F | 2.94 in. |
| September | 63.7 °F | 87.7 °F | 4.08 in. |
| October | 51.5 °F | 77.2 °F | 4.78 in. |
| November | 41.7 °F | 65.7 °F | 4.21 in. |
| December | 34.2 °F | 56.6 °F | 4.79 in. |
| Annual | 51.8 °F | 75 °F | 50.09 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 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |