Canyon Lake, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.5 °C (low) to 26 °C (high). Annual precipitation averages 920.2 Millimeters. Canyon Lake 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 Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.6 °C | 16.3 °C | 61.72 mm |
| February | 5.6 °C | 18.5 °C | 50.04 mm |
| March | 9.3 °C | 22.1 °C | 69.34 mm |
| April | 13.1 °C | 25.9 °C | 67.82 mm |
| May | 17.8 °C | 29.4 °C | 110.49 mm |
| June | 21.3 °C | 32.8 °C | 92.96 mm |
| July | 22.3 °C | 34.6 °C | 57.66 mm |
| August | 22.3 °C | 35.3 °C | 59.94 mm |
| September | 19.4 °C | 31.9 °C | 97.79 mm |
| October | 14.1 °C | 27.3 °C | 118.36 mm |
| November | 8.6 °C | 21.3 °C | 74.42 mm |
| December | 4.5 °C | 17.1 °C | 59.69 mm |
| Annual | 13.5 °C | 26 °C | 920.23 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |