Garfield, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.5 °C (low) to 26.4 °C (high). Annual precipitation averages 930.7 Millimeters. Garfield is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.2 °C | 16.4 °C | 68.33 mm |
| February | 5.4 °C | 18.3 °C | 53.34 mm |
| March | 9.2 °C | 22.1 °C | 74.93 mm |
| April | 12.9 °C | 26.1 °C | 71.88 mm |
| May | 18.2 °C | 29.8 °C | 118.62 mm |
| June | 21.8 °C | 33.4 °C | 87.88 mm |
| July | 22.9 °C | 35.1 °C | 58.93 mm |
| August | 22.8 °C | 35.9 °C | 66.29 mm |
| September | 19.7 °C | 32.6 °C | 81.79 mm |
| October | 13.9 °C | 27.8 °C | 101.35 mm |
| November | 8.3 °C | 21.8 °C | 72.64 mm |
| December | 4 °C | 17.2 °C | 74.68 mm |
| Annual | 13.5 °C | 26.4 °C | 930.66 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |