Hico, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.9 °F (low) to 77.3 °F (high). Annual precipitation averages 35.6 Inches. Hico 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.0 °F | 58.3 °F | 2.27 in. |
| February | 36.7 °F | 62.1 °F | 2.4 in. |
| March | 44.3 °F | 69.4 °F | 3.14 in. |
| April | 51.8 °F | 77.6 °F | 2.81 in. |
| May | 61.5 °F | 84.1 °F | 4.66 in. |
| June | 69.0 °F | 91.1 °F | 4.51 in. |
| July | 72.0 °F | 95.3 °F | 1.83 in. |
| August | 71.5 °F | 95.3 °F | 2.21 in. |
| September | 64.2 °F | 88.6 °F | 3.12 in. |
| October | 53.4 °F | 78.8 °F | 3.95 in. |
| November | 43.0 °F | 67.5 °F | 2.43 in. |
| December | 34.7 °F | 59.3 °F | 2.28 in. |
| Annual | 52.9 °F | 77.3 °F | 35.61 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 |