Timpson, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.6 °F (low) to 77.2 °F (high). Annual precipitation averages 52.6 Inches. Timpson is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.1 °F | 58.4 °F | 4.76 in. |
| February | 39.8 °F | 62.7 °F | 4.31 in. |
| March | 46.4 °F | 69.8 °F | 4.89 in. |
| April | 53.3 °F | 76.9 °F | 4.7 in. |
| May | 62.7 °F | 83.9 °F | 4.48 in. |
| June | 69.9 °F | 90.3 °F | 4.7 in. |
| July | 72.6 °F | 93.7 °F | 3.2 in. |
| August | 71.8 °F | 94.5 °F | 3.49 in. |
| September | 65.6 °F | 88.8 °F | 3.69 in. |
| October | 54.4 °F | 79.3 °F | 4.63 in. |
| November | 44.7 °F | 67.8 °F | 4.52 in. |
| December | 38.0 °F | 60.0 °F | 5.25 in. |
| Annual | 54.6 °F | 77.2 °F | 52.62 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |