Rusk, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.4 °F (low) to 76.7 °F (high). Annual precipitation averages 49.2 Inches. Rusk is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.2 °F | 58.0 °F | 4.23 in. |
| February | 40.6 °F | 62.0 °F | 3.99 in. |
| March | 47.3 °F | 69.3 °F | 4.4 in. |
| April | 54.0 °F | 76.4 °F | 4.03 in. |
| May | 63.1 °F | 83.2 °F | 4.7 in. |
| June | 70.1 °F | 89.6 °F | 4.72 in. |
| July | 72.5 °F | 93.1 °F | 3.11 in. |
| August | 72.0 °F | 94.1 °F | 3.36 in. |
| September | 66.2 °F | 88.3 °F | 3.46 in. |
| October | 55.9 °F | 78.7 °F | 4.47 in. |
| November | 46.1 °F | 67.6 °F | 4.13 in. |
| December | 39.3 °F | 59.6 °F | 4.56 in. |
| Annual | 55.4 °F | 76.7 °F | 49.16 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |