Throckmorton, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51 °F (low) to 77 °F (high). Annual precipitation averages 26.9 Inches. Throckmorton 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.8 °F | 56.5 °F | 1.16 in. |
| February | 33.4 °F | 60.2 °F | 1.4 in. |
| March | 41.3 °F | 68.6 °F | 1.92 in. |
| April | 49.2 °F | 76.8 °F | 2.3 in. |
| May | 59.6 °F | 84.5 °F | 3.18 in. |
| June | 68.4 °F | 91.7 °F | 3.65 in. |
| July | 71.9 °F | 97.0 °F | 1.98 in. |
| August | 70.8 °F | 96.7 °F | 2.2 in. |
| September | 63.3 °F | 88.8 °F | 3.22 in. |
| October | 52.1 °F | 78.7 °F | 2.62 in. |
| November | 40.5 °F | 66.7 °F | 1.82 in. |
| December | 31.8 °F | 57.8 °F | 1.45 in. |
| Annual | 51 °F | 77 °F | 26.9 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |