Cedar Park, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.1 °C (low) to 25.7 °C (high). Annual precipitation averages 923.5 Millimeters. Cedar Park 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 | 2.8 °C | 15.9 °C | 63.5 mm |
| February | 4.8 °C | 17.7 °C | 52.83 mm |
| March | 8.6 °C | 21.7 °C | 76.45 mm |
| April | 12.6 °C | 25.7 °C | 68.83 mm |
| May | 17.6 °C | 29.2 °C | 115.06 mm |
| June | 21.2 °C | 32.7 °C | 88.65 mm |
| July | 22.3 °C | 34.6 °C | 66.8 mm |
| August | 22.2 °C | 35.2 °C | 66.8 mm |
| September | 19.4 °C | 31.9 °C | 85.09 mm |
| October | 13.8 °C | 27.1 °C | 99.06 mm |
| November | 7.8 °C | 20.8 °C | 73.15 mm |
| December | 3.6 °C | 16.4 °C | 67.31 mm |
| Annual | 13.1 °C | 25.7 °C | 923.53 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 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 |