Callisburg, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.2 °F (low) to 74.3 °F (high). Annual precipitation averages 40.4 Inches. Callisburg 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.2 °F | 53.1 °F | 2.08 in. |
| February | 34.8 °F | 57.5 °F | 2.51 in. |
| March | 42.5 °F | 65.6 °F | 3.47 in. |
| April | 50.3 °F | 73.6 °F | 3.68 in. |
| May | 60.0 °F | 80.6 °F | 5.39 in. |
| June | 68.8 °F | 89.0 °F | 4.12 in. |
| July | 72.8 °F | 94.2 °F | 2.72 in. |
| August | 72.2 °F | 94.8 °F | 2.66 in. |
| September | 64.6 °F | 87.0 °F | 3.73 in. |
| October | 53.0 °F | 76.5 °F | 4.33 in. |
| November | 42.1 °F | 64.4 °F | 2.77 in. |
| December | 33.5 °F | 55.0 °F | 2.95 in. |
| Annual | 52.2 °F | 74.3 °F | 40.41 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 |