Knippa, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56.8 °F (low) to 81.9 °F (high). Annual precipitation averages 25.6 Inches. Knippa is located in USDA Plant Hardiness Zone 9a. 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 | 38.5 °F | 64.8 °F | 1.26 in. |
| February | 42.8 °F | 69.2 °F | 1.18 in. |
| March | 50.1 °F | 75.9 °F | 2.2 in. |
| April | 56.6 °F | 82.7 °F | 1.66 in. |
| May | 65.1 °F | 88.7 °F | 3.92 in. |
| June | 70.8 °F | 94.1 °F | 2.94 in. |
| July | 72.2 °F | 96.5 °F | 2.23 in. |
| August | 72.2 °F | 97.4 °F | 1.92 in. |
| September | 67.5 °F | 91.3 °F | 3.07 in. |
| October | 58.2 °F | 83.8 °F | 2.39 in. |
| November | 48.0 °F | 72.7 °F | 1.58 in. |
| December | 39.9 °F | 65.5 °F | 1.27 in. |
| Annual | 56.8 °F | 81.9 °F | 25.62 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 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |