Benjamin, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.3 °F (low) to 77 °F (high). Annual precipitation averages 24.9 Inches. Benjamin is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.0 °F | 56.0 °F | 1.03 in. |
| February | 32.0 °F | 59.9 °F | 1.22 in. |
| March | 40.3 °F | 68.7 °F | 1.72 in. |
| April | 48.3 °F | 77.5 °F | 2.19 in. |
| May | 59.1 °F | 85.6 °F | 3.24 in. |
| June | 68.1 °F | 92.7 °F | 3.53 in. |
| July | 72.0 °F | 96.9 °F | 1.82 in. |
| August | 70.7 °F | 96.2 °F | 2.41 in. |
| September | 62.9 °F | 88.3 °F | 2.82 in. |
| October | 51.4 °F | 78.4 °F | 2.28 in. |
| November | 39.5 °F | 66.2 °F | 1.6 in. |
| December | 30.8 °F | 57.0 °F | 1.08 in. |
| Annual | 50.3 °F | 77 °F | 24.94 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |