Bryson, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.3 °F (low) to 76.8 °F (high). Annual precipitation averages 32.5 Inches. Bryson 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 | 29.9 °F | 56.4 °F | 1.52 in. |
| February | 33.7 °F | 60.1 °F | 2.04 in. |
| March | 41.4 °F | 68.6 °F | 2.74 in. |
| April | 49.5 °F | 76.7 °F | 2.63 in. |
| May | 59.8 °F | 83.9 °F | 4.42 in. |
| June | 68.8 °F | 91.6 °F | 3.82 in. |
| July | 72.5 °F | 96.3 °F | 2.13 in. |
| August | 71.7 °F | 96.4 °F | 2.45 in. |
| September | 63.9 °F | 88.8 °F | 3.21 in. |
| October | 52.2 °F | 78.5 °F | 3.57 in. |
| November | 40.5 °F | 66.6 °F | 2.12 in. |
| December | 32.0 °F | 57.5 °F | 1.87 in. |
| Annual | 51.3 °F | 76.8 °F | 32.52 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |