Azle, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.7 °C (low) to 25.1 °C (high). Annual precipitation averages 924.3 Millimeters. Azle is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.3 °C | 13.9 °C | 54.86 mm |
| February | 3.5 °C | 15.9 °C | 63.25 mm |
| March | 7.8 °C | 20.4 °C | 80.77 mm |
| April | 11.8 °C | 24.7 °C | 75.69 mm |
| May | 17.3 °C | 28.7 °C | 110.49 mm |
| June | 21.7 °C | 33.2 °C | 100.33 mm |
| July | 23.6 °C | 35.6 °C | 55.63 mm |
| August | 23.3 °C | 35.9 °C | 64.26 mm |
| September | 19.3 °C | 31.9 °C | 82.55 mm |
| October | 13 °C | 26.1 °C | 102.87 mm |
| November | 7.4 °C | 19.6 °C | 69.09 mm |
| December | 2.6 °C | 14.7 °C | 64.52 mm |
| Annual | 12.7 °C | 25.1 °C | 924.31 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°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 |