Gruver, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 42.4 °F (low) to 71.3 °F (high). Annual precipitation averages 20.5 Inches. Gruver is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.3 °F | 49.6 °F | 0.54 in. |
| February | 23.6 °F | 53.0 °F | 0.43 in. |
| March | 31.4 °F | 62.3 °F | 1.27 in. |
| April | 39.5 °F | 70.2 °F | 1.76 in. |
| May | 50.3 °F | 79.7 °F | 2.56 in. |
| June | 61.1 °F | 89.4 °F | 3.12 in. |
| July | 65.6 °F | 93.5 °F | 2.71 in. |
| August | 63.8 °F | 91.5 °F | 2.95 in. |
| September | 55.7 °F | 84.3 °F | 1.59 in. |
| October | 42.9 °F | 72.4 °F | 1.94 in. |
| November | 30.9 °F | 60.4 °F | 0.75 in. |
| December | 22.7 °F | 49.6 °F | 0.88 in. |
| Annual | 42.4 °F | 71.3 °F | 20.5 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |