Austin, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14 °C (low) to 26.4 °C (high). Annual precipitation averages 931.9 Millimeters. Austin 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 Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.7 °C | 16.6 °C | 66.04 mm |
| February | 5.8 °C | 18.4 °C | 52.58 mm |
| March | 9.7 °C | 22.2 °C | 74.68 mm |
| April | 13.4 °C | 26.2 °C | 67.56 mm |
| May | 18.4 °C | 29.8 °C | 120.9 mm |
| June | 22.2 °C | 33.4 °C | 87.63 mm |
| July | 23.3 °C | 35.1 °C | 63.75 mm |
| August | 23.1 °C | 35.8 °C | 65.79 mm |
| September | 20.2 °C | 32.6 °C | 86.36 mm |
| October | 14.4 °C | 27.8 °C | 102.11 mm |
| November | 8.8 °C | 21.8 °C | 71.12 mm |
| December | 4.4 °C | 17.3 °C | 73.41 mm |
| Annual | 14 °C | 26.4 °C | 931.93 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |