Jayton, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.1 °F (low) to 76.6 °F (high). Annual precipitation averages 22.3 Inches. Jayton 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 | 28.0 °F | 56.1 °F | 0.9 in. |
| February | 31.3 °F | 60.3 °F | 1.11 in. |
| March | 39.3 °F | 68.8 °F | 1.43 in. |
| April | 47.0 °F | 77.5 °F | 1.84 in. |
| May | 57.6 °F | 85.0 °F | 2.71 in. |
| June | 66.7 °F | 92.4 °F | 3.1 in. |
| July | 70.2 °F | 95.8 °F | 2.21 in. |
| August | 69.2 °F | 95.3 °F | 2.06 in. |
| September | 61.6 °F | 87.2 °F | 2.57 in. |
| October | 49.9 °F | 77.8 °F | 1.91 in. |
| November | 38.1 °F | 66.1 °F | 1.41 in. |
| December | 29.8 °F | 57.1 °F | 1.01 in. |
| Annual | 49.1 °F | 76.6 °F | 22.26 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |