McKinney Acres, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 9.8 °C (low) to 25.3 °C (high). Annual precipitation averages 355.3 Millimeters. McKinney Acres 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 | -1 °C | 14.1 °C | 15.49 mm |
| February | 0.8 °C | 17 °C | 13.97 mm |
| March | 4.7 °C | 21.4 °C | 21.08 mm |
| April | 8.9 °C | 26.2 °C | 18.54 mm |
| May | 14.6 °C | 30.6 °C | 40.39 mm |
| June | 19.2 °C | 34.7 °C | 41.4 mm |
| July | 20.6 °C | 35 °C | 42.16 mm |
| August | 20.1 °C | 34.4 °C | 39.88 mm |
| September | 16.2 °C | 30.5 °C | 56.13 mm |
| October | 10.3 °C | 25.9 °C | 32 mm |
| November | 3.7 °C | 19 °C | 17.78 mm |
| December | -0.4 °C | 14.6 °C | 16.51 mm |
| Annual | 9.8 °C | 25.3 °C | 355.33 mm |
| 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 : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |