Frost, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.9 °F (low) to 77.3 °F (high). Annual precipitation averages 40 Inches. Frost 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 | 35.5 °F | 57.5 °F | 2.89 in. |
| February | 39.2 °F | 61.6 °F | 3.07 in. |
| March | 46.5 °F | 68.6 °F | 3.32 in. |
| April | 53.5 °F | 76.3 °F | 3.58 in. |
| May | 62.9 °F | 83.6 °F | 4.34 in. |
| June | 70.5 °F | 91.2 °F | 4.0 in. |
| July | 73.4 °F | 95.5 °F | 1.81 in. |
| August | 73.1 °F | 96.3 °F | 2.57 in. |
| September | 66.3 °F | 89.9 °F | 3.41 in. |
| October | 55.5 °F | 79.7 °F | 4.79 in. |
| November | 45.3 °F | 67.9 °F | 3.0 in. |
| December | 37.4 °F | 59.4 °F | 3.17 in. |
| Annual | 54.9 °F | 77.3 °F | 39.95 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |