Cedar Park, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.5 °F (low) to 78.3 °F (high). Annual precipitation averages 36.4 Inches. 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 | 37.0 °F | 60.7 °F | 2.5 in. |
| February | 40.7 °F | 63.9 °F | 2.08 in. |
| March | 47.4 °F | 71.0 °F | 3.01 in. |
| April | 54.6 °F | 78.2 °F | 2.71 in. |
| May | 63.6 °F | 84.6 °F | 4.53 in. |
| June | 70.1 °F | 90.8 °F | 3.49 in. |
| July | 72.2 °F | 94.2 °F | 2.63 in. |
| August | 71.9 °F | 95.4 °F | 2.63 in. |
| September | 66.9 °F | 89.4 °F | 3.35 in. |
| October | 56.8 °F | 80.8 °F | 3.9 in. |
| November | 46.1 °F | 69.4 °F | 2.88 in. |
| December | 38.4 °F | 61.6 °F | 2.65 in. |
| Annual | 55.5 °F | 78.3 °F | 36.36 in. |
| 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 : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |