Grape Creek, Texas has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 51.4 °F (low) to 78.2 °F (high). Annual precipitation averages 20.9 Inches. Grape Creek 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.2 °F | 59.1 °F | 0.93 in. |
| February | 34.9 °F | 63.4 °F | 1.25 in. |
| March | 42.7 °F | 71.0 °F | 1.53 in. |
| April | 49.8 °F | 79.7 °F | 1.45 in. |
| May | 60.5 °F | 86.9 °F | 2.48 in. |
| June | 68.4 °F | 93.0 °F | 2.52 in. |
| July | 70.8 °F | 95.3 °F | 1.62 in. |
| August | 70.1 °F | 95.0 °F | 2.29 in. |
| September | 62.9 °F | 87.9 °F | 2.51 in. |
| October | 52.0 °F | 79.2 °F | 2.24 in. |
| November | 40.5 °F | 67.9 °F | 1.24 in. |
| December | 32.6 °F | 60.2 °F | 0.88 in. |
| Annual | 51.4 °F | 78.2 °F | 20.94 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |