McCaulley, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.7 °C (low) to 25 °C (high). Annual precipitation averages 610.1 Millimeters. 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 | -0.8 °C | 13.7 °C | 26.16 mm |
| February | 1.1 °C | 16 °C | 31.5 mm |
| March | 5.3 °C | 20.7 °C | 41.91 mm |
| April | 9.7 °C | 25.7 °C | 46.99 mm |
| May | 15.3 °C | 29.7 °C | 81.28 mm |
| June | 20.1 °C | 33.6 °C | 80.77 mm |
| July | 22 °C | 35.6 °C | 45.47 mm |
| August | 21.5 °C | 35.2 °C | 58.17 mm |
| September | 17.3 °C | 30.8 °C | 75.95 mm |
| October | 11.2 °C | 25.7 °C | 54.86 mm |
| November | 4.8 °C | 19 °C | 36.07 mm |
| December | 0.3 °C | 14.3 °C | 30.99 mm |
| Annual | 10.7 °C | 25 °C | 610.12 mm |
| 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 : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |