Talco, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.7 °F (low) to 75.7 °F (high). Annual precipitation averages 47.9 Inches. Talco is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.1 °F | 55.5 °F | 3.36 in. |
| February | 37.0 °F | 59.5 °F | 3.84 in. |
| March | 44.1 °F | 67.4 °F | 4.49 in. |
| April | 51.1 °F | 75.1 °F | 4.43 in. |
| May | 60.4 °F | 82.3 °F | 4.97 in. |
| June | 68.5 °F | 89.7 °F | 4.01 in. |
| July | 71.5 °F | 93.6 °F | 3.13 in. |
| August | 70.3 °F | 94.4 °F | 2.62 in. |
| September | 64.4 °F | 88.5 °F | 3.69 in. |
| October | 52.3 °F | 78.1 °F | 4.79 in. |
| November | 43.0 °F | 66.3 °F | 3.96 in. |
| December | 35.8 °F | 57.4 °F | 4.61 in. |
| Annual | 52.7 °F | 75.7 °F | 47.9 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |