Boyd, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.6 °F (low) to 76.5 °F (high). Annual precipitation averages 37 Inches. Boyd is located in USDA Plant Hardiness Zone 8b. 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 | 32.9 °F | 56.4 °F | 2.1 in. |
| February | 37.0 °F | 60.1 °F | 2.46 in. |
| March | 44.4 °F | 68.3 °F | 3.18 in. |
| April | 52.0 °F | 75.7 °F | 3.08 in. |
| May | 62.1 °F | 82.8 °F | 4.52 in. |
| June | 70.2 °F | 91.7 °F | 4.27 in. |
| July | 73.5 °F | 95.2 °F | 2.22 in. |
| August | 73.0 °F | 96.3 °F | 2.46 in. |
| September | 65.4 °F | 89.0 °F | 3.45 in. |
| October | 53.7 °F | 78.4 °F | 4.19 in. |
| November | 43.8 °F | 66.7 °F | 2.57 in. |
| December | 35.1 °F | 57.8 °F | 2.46 in. |
| Annual | 53.6 °F | 76.5 °F | 36.96 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| 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 |