Carbon, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.5 °F (low) to 76.3 °F (high). Annual precipitation averages 30.1 Inches. Carbon is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.4 °F | 57.1 °F | 1.38 in. |
| February | 35.8 °F | 61.2 °F | 1.89 in. |
| March | 43.1 °F | 68.5 °F | 2.42 in. |
| April | 50.1 °F | 76.3 °F | 2.25 in. |
| May | 60.1 °F | 83.5 °F | 4.04 in. |
| June | 67.7 °F | 90.2 °F | 3.99 in. |
| July | 70.6 °F | 94.4 °F | 2.02 in. |
| August | 70.0 °F | 94.4 °F | 2.52 in. |
| September | 62.9 °F | 87.2 °F | 2.79 in. |
| October | 52.2 °F | 78.1 °F | 3.19 in. |
| November | 41.5 °F | 66.6 °F | 1.99 in. |
| December | 33.1 °F | 57.8 °F | 1.61 in. |
| Annual | 51.5 °F | 76.3 °F | 30.09 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |