Pecan Hill, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.1 °F (low) to 76.6 °F (high). Annual precipitation averages 40.6 Inches. Pecan Hill 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.4 °F | 56.5 °F | 2.87 in. |
| February | 39.0 °F | 60.6 °F | 2.88 in. |
| March | 46.3 °F | 67.8 °F | 3.68 in. |
| April | 53.5 °F | 75.7 °F | 3.82 in. |
| May | 63.1 °F | 83.1 °F | 4.37 in. |
| June | 70.9 °F | 91.0 °F | 3.89 in. |
| July | 73.9 °F | 95.3 °F | 2.11 in. |
| August | 73.7 °F | 96.0 °F | 2.7 in. |
| September | 66.8 °F | 89.3 °F | 3.1 in. |
| October | 55.5 °F | 79.0 °F | 4.84 in. |
| November | 45.4 °F | 67.1 °F | 2.97 in. |
| December | 37.2 °F | 58.2 °F | 3.39 in. |
| Annual | 55.1 °F | 76.6 °F | 40.62 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |