Grapeland, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.6 °F (low) to 77.4 °F (high). Annual precipitation averages 46.7 Inches. Grapeland is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.8 °F | 58.8 °F | 4.12 in. |
| February | 41.1 °F | 62.9 °F | 3.58 in. |
| March | 47.5 °F | 69.9 °F | 4.25 in. |
| April | 54.1 °F | 76.8 °F | 3.62 in. |
| May | 63.2 °F | 83.8 °F | 4.68 in. |
| June | 70.2 °F | 90.1 °F | 4.21 in. |
| July | 72.7 °F | 93.6 °F | 3.12 in. |
| August | 72.2 °F | 94.7 °F | 3.26 in. |
| September | 66.6 °F | 88.9 °F | 3.42 in. |
| October | 56.1 °F | 79.7 °F | 4.32 in. |
| November | 46.3 °F | 68.6 °F | 3.67 in. |
| December | 39.5 °F | 60.5 °F | 4.43 in. |
| Annual | 55.6 °F | 77.4 °F | 46.68 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |