Sudan, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 42.7 °F (low) to 73.5 °F (high). Annual precipitation averages 17.8 Inches. Sudan is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.8 °F | 53.7 °F | 0.54 in. |
| February | 25.6 °F | 58.3 °F | 0.49 in. |
| March | 32.7 °F | 66.2 °F | 1.02 in. |
| April | 40.0 °F | 74.0 °F | 0.99 in. |
| May | 50.8 °F | 82.0 °F | 2.1 in. |
| June | 60.7 °F | 90.5 °F | 2.64 in. |
| July | 64.0 °F | 91.9 °F | 2.26 in. |
| August | 62.5 °F | 90.6 °F | 2.41 in. |
| September | 55.2 °F | 83.6 °F | 2.29 in. |
| October | 43.1 °F | 74.3 °F | 1.62 in. |
| November | 31.2 °F | 62.9 °F | 0.74 in. |
| December | 24.3 °F | 54.2 °F | 0.68 in. |
| Annual | 42.7 °F | 73.5 °F | 17.78 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |