Howardwick, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.3 °C (low) to 22.9 °C (high). Annual precipitation averages 607.1 Millimeters. Howardwick is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.3 °C | 11.1 °C | 19.05 mm |
| February | -2.8 °C | 13.2 °C | 19.05 mm |
| March | 1.5 °C | 18.2 °C | 37.08 mm |
| April | 6.1 °C | 22.9 °C | 52.32 mm |
| May | 11.8 °C | 27.2 °C | 85.09 mm |
| June | 17.3 °C | 31.9 °C | 89.15 mm |
| July | 19.6 °C | 34.4 °C | 61.98 mm |
| August | 18.8 °C | 33.8 °C | 78.99 mm |
| September | 14.5 °C | 29.4 °C | 61.47 mm |
| October | 7.6 °C | 23.7 °C | 54.1 mm |
| November | 1 °C | 16.9 °C | 25.4 mm |
| December | -3.5 °C | 11.6 °C | 23.37 mm |
| Annual | 7.3 °C | 22.9 °C | 607.05 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |