Briarcliff, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.2 °F (low) to 78.9 °F (high). Annual precipitation averages 34 Inches. Briarcliff is located in USDA Plant Hardiness Zone 9a. 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 | 36.6 °F | 61.2 °F | 2.21 in. |
| February | 40.5 °F | 64.5 °F | 1.95 in. |
| March | 47.5 °F | 71.6 °F | 2.79 in. |
| April | 54.4 °F | 78.7 °F | 2.55 in. |
| May | 63.4 °F | 85.2 °F | 4.38 in. |
| June | 69.8 °F | 91.4 °F | 3.22 in. |
| July | 71.9 °F | 95.2 °F | 2.15 in. |
| August | 71.7 °F | 96.2 °F | 2.38 in. |
| September | 66.4 °F | 89.9 °F | 3.44 in. |
| October | 56.3 °F | 81.2 °F | 3.73 in. |
| November | 46.1 °F | 69.8 °F | 2.86 in. |
| December | 37.9 °F | 62.2 °F | 2.31 in. |
| Annual | 55.2 °F | 78.9 °F | 33.97 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |