Knippa, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.8 °C (low) to 27.7 °C (high). Annual precipitation averages 650.8 Millimeters. 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 | 3.6 °C | 18.2 °C | 32 mm |
| February | 6 °C | 20.7 °C | 29.97 mm |
| March | 10.1 °C | 24.4 °C | 55.88 mm |
| April | 13.7 °C | 28.2 °C | 42.16 mm |
| May | 18.4 °C | 31.5 °C | 99.57 mm |
| June | 21.6 °C | 34.5 °C | 74.68 mm |
| July | 22.3 °C | 35.8 °C | 56.64 mm |
| August | 22.3 °C | 36.3 °C | 48.77 mm |
| September | 19.7 °C | 32.9 °C | 77.98 mm |
| October | 14.6 °C | 28.8 °C | 60.71 mm |
| November | 8.9 °C | 22.6 °C | 40.13 mm |
| December | 4.4 °C | 18.6 °C | 32.26 mm |
| Annual | 13.8 °C | 27.7 °C | 650.75 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |