New Deal, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 46 °F (low) to 74.3 °F (high). Annual precipitation averages 18.7 Inches. New Deal is located in USDA Plant Hardiness Zone 7b. 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 | 25.7 °F | 54.4 °F | 0.67 in. |
| February | 28.7 °F | 58.9 °F | 0.63 in. |
| March | 36.1 °F | 67.0 °F | 1.16 in. |
| April | 43.9 °F | 75.3 °F | 1.28 in. |
| May | 54.5 °F | 83.2 °F | 2.66 in. |
| June | 63.8 °F | 90.7 °F | 2.64 in. |
| July | 67.1 °F | 92.6 °F | 2.03 in. |
| August | 65.6 °F | 91.3 °F | 1.86 in. |
| September | 58.3 °F | 84.4 °F | 2.55 in. |
| October | 46.7 °F | 75.3 °F | 1.63 in. |
| November | 34.8 °F | 63.5 °F | 0.87 in. |
| December | 27.2 °F | 55.1 °F | 0.73 in. |
| Annual | 46 °F | 74.3 °F | 18.71 in. |
| 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |