Stinnett, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 7.1 °C (low) to 22.4 °C (high). Annual precipitation averages 501.1 Millimeters. Stinnett 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.4 °C | 10.4 °C | 15.24 mm |
| February | -3.1 °C | 12.4 °C | 11.68 mm |
| March | 1.1 °C | 17.5 °C | 30.73 mm |
| April | 5.6 °C | 22.1 °C | 45.21 mm |
| May | 11.3 °C | 27.1 °C | 59.18 mm |
| June | 16.9 °C | 32.2 °C | 70.36 mm |
| July | 19.5 °C | 34.3 °C | 67.56 mm |
| August | 18.7 °C | 33.3 °C | 78.49 mm |
| September | 14.4 °C | 29.3 °C | 40.64 mm |
| October | 7.5 °C | 23.2 °C | 45.72 mm |
| November | 0.9 °C | 16.3 °C | 17.53 mm |
| December | -3.7 °C | 10.5 °C | 18.8 mm |
| Annual | 7.1 °C | 22.4 °C | 501.14 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |