Pflugerville, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.7 °C (low) to 26 °C (high). Annual precipitation averages 939.5 Millimeters. Pflugerville is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.6 °C | 16.2 °C | 67.56 mm |
| February | 5.4 °C | 18.1 °C | 53.59 mm |
| March | 9.3 °C | 21.8 °C | 76.45 mm |
| April | 13.1 °C | 25.7 °C | 67.56 mm |
| May | 18.1 °C | 29.4 °C | 113.03 mm |
| June | 21.7 °C | 32.9 °C | 89.41 mm |
| July | 22.8 °C | 34.7 °C | 61.47 mm |
| August | 22.7 °C | 35.3 °C | 67.82 mm |
| September | 19.9 °C | 32.2 °C | 88.39 mm |
| October | 14.3 °C | 27.3 °C | 104.9 mm |
| November | 8.5 °C | 21.2 °C | 77.47 mm |
| December | 4.4 °C | 16.8 °C | 71.88 mm |
| Annual | 13.7 °C | 26 °C | 939.53 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| 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 |