Yancey, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.6 °C (low) to 28.1 °C (high). Annual precipitation averages 690.9 Millimeters. Yancey is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.7 °C | 18.7 °C | 36.32 mm |
| February | 6.9 °C | 21.1 °C | 34.29 mm |
| March | 10.8 °C | 24.7 °C | 56.39 mm |
| April | 14.4 °C | 28.2 °C | 47.5 mm |
| May | 19 °C | 31.6 °C | 94.23 mm |
| June | 22.1 °C | 34.7 °C | 73.15 mm |
| July | 22.9 °C | 36.1 °C | 50.55 mm |
| August | 22.9 °C | 36.6 °C | 53.34 mm |
| September | 20.4 °C | 33.3 °C | 88.9 mm |
| October | 15.4 °C | 29.2 °C | 71.37 mm |
| November | 9.9 °C | 23.2 °C | 45.72 mm |
| December | 5.6 °C | 19.2 °C | 39.12 mm |
| Annual | 14.6 °C | 28.1 °C | 690.88 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |