Alvord, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.2 °C (low) to 24.2 °C (high). Annual precipitation averages 912.1 Millimeters. Alvord is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.3 °C | 13 °C | 43.43 mm |
| February | 1.8 °C | 15.1 °C | 59.18 mm |
| March | 6.2 °C | 19.6 °C | 81.53 mm |
| April | 10.4 °C | 23.9 °C | 77.72 mm |
| May | 16 °C | 27.7 °C | 120.14 mm |
| June | 20.6 °C | 32.3 °C | 106.93 mm |
| July | 22.5 °C | 34.9 °C | 57.91 mm |
| August | 22.1 °C | 35.1 °C | 64.77 mm |
| September | 17.9 °C | 31 °C | 83.31 mm |
| October | 11.3 °C | 25.2 °C | 97.54 mm |
| November | 5.6 °C | 18.8 °C | 60.45 mm |
| December | 0.6 °C | 13.7 °C | 59.18 mm |
| Annual | 11.2 °C | 24.2 °C | 912.09 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 |