McCaulley, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.1 °F (low) to 77 °F (high). Annual precipitation averages 24 Inches. McCaulley 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 | 30.5 °F | 56.6 °F | 1.03 in. |
| February | 33.9 °F | 60.8 °F | 1.24 in. |
| March | 41.5 °F | 69.3 °F | 1.65 in. |
| April | 49.4 °F | 78.2 °F | 1.85 in. |
| May | 59.6 °F | 85.5 °F | 3.2 in. |
| June | 68.1 °F | 92.4 °F | 3.18 in. |
| July | 71.6 °F | 96.0 °F | 1.79 in. |
| August | 70.7 °F | 95.4 °F | 2.29 in. |
| September | 63.2 °F | 87.5 °F | 2.99 in. |
| October | 52.1 °F | 78.3 °F | 2.16 in. |
| November | 40.6 °F | 66.2 °F | 1.42 in. |
| December | 32.5 °F | 57.7 °F | 1.22 in. |
| Annual | 51.1 °F | 77 °F | 24.02 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 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |