Jacksboro, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52 °F (low) to 75.8 °F (high). Annual precipitation averages 34.2 Inches. Jacksboro is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.0 °F | 55.5 °F | 1.62 in. |
| February | 34.8 °F | 59.5 °F | 2.21 in. |
| March | 42.5 °F | 67.7 °F | 2.94 in. |
| April | 50.3 °F | 75.6 °F | 2.79 in. |
| May | 60.2 °F | 82.7 °F | 4.8 in. |
| June | 68.8 °F | 90.5 °F | 4.13 in. |
| July | 72.7 °F | 95.7 °F | 2.05 in. |
| August | 71.9 °F | 95.3 °F | 2.42 in. |
| September | 64.3 °F | 87.7 °F | 3.29 in. |
| October | 52.7 °F | 77.4 °F | 3.77 in. |
| November | 41.5 °F | 65.7 °F | 2.25 in. |
| December | 33.1 °F | 56.6 °F | 1.89 in. |
| Annual | 52 °F | 75.8 °F | 34.16 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |