Graford, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.4 °C (low) to 25.1 °C (high). Annual precipitation averages 829.6 Millimeters. Graford 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.1 °C | 14 °C | 42.67 mm |
| February | 1.8 °C | 15.9 °C | 56.9 mm |
| March | 6.2 °C | 20.5 °C | 73.66 mm |
| April | 10.6 °C | 24.9 °C | 66.8 mm |
| May | 16.2 °C | 28.9 °C | 106.68 mm |
| June | 20.7 °C | 33.1 °C | 95.5 mm |
| July | 22.7 °C | 35.7 °C | 51.82 mm |
| August | 22.2 °C | 35.7 °C | 65.28 mm |
| September | 18 °C | 31.8 °C | 76.71 mm |
| October | 11.7 °C | 26.2 °C | 89.15 mm |
| November | 5.8 °C | 19.6 °C | 56.13 mm |
| December | 1 °C | 14.6 °C | 48.26 mm |
| Annual | 11.4 °C | 25.1 °C | 829.56 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |