Bellville, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 57.9 °F (low) to 79.4 °F (high). Annual precipitation averages 44.4 Inches. Bellville is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 40.9 °F | 61.9 °F | 3.6 in. |
| February | 44.7 °F | 65.5 °F | 2.85 in. |
| March | 50.8 °F | 72.1 °F | 3.41 in. |
| April | 57.2 °F | 78.7 °F | 3.29 in. |
| May | 65.4 °F | 85.6 °F | 4.72 in. |
| June | 71.5 °F | 91.2 °F | 4.34 in. |
| July | 73.2 °F | 94.0 °F | 2.62 in. |
| August | 73.0 °F | 95.8 °F | 3.68 in. |
| September | 68.4 °F | 90.4 °F | 3.79 in. |
| October | 58.4 °F | 82.1 °F | 4.36 in. |
| November | 48.9 °F | 71.5 °F | 4.09 in. |
| December | 42.4 °F | 63.8 °F | 3.64 in. |
| Annual | 57.9 °F | 79.4 °F | 44.39 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |