Briaroaks, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.9 °F (low) to 76.9 °F (high). Annual precipitation averages 37.9 Inches. Briaroaks is located in USDA Plant Hardiness Zone 8b. 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 | 34.9 °F | 57.2 °F | 2.44 in. |
| February | 38.5 °F | 61.1 °F | 2.66 in. |
| March | 45.9 °F | 68.4 °F | 3.53 in. |
| April | 53.4 °F | 76.0 °F | 3.27 in. |
| May | 63.0 °F | 83.4 °F | 4.61 in. |
| June | 70.9 °F | 91.4 °F | 3.73 in. |
| July | 74.1 °F | 95.7 °F | 1.91 in. |
| August | 73.8 °F | 95.9 °F | 2.5 in. |
| September | 66.5 °F | 89.0 °F | 3.15 in. |
| October | 55.6 °F | 78.9 °F | 4.34 in. |
| November | 45.1 °F | 67.2 °F | 2.96 in. |
| December | 36.8 °F | 58.6 °F | 2.77 in. |
| Annual | 54.9 °F | 76.9 °F | 37.87 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 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 |