Denton, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.5 °C (low) to 24.6 °C (high). Annual precipitation averages 993.4 Millimeters. Denton is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.9 °C | 13.1 °C | 56.64 mm |
| February | 2.9 °C | 15.3 °C | 71.63 mm |
| March | 7.3 °C | 19.6 °C | 89.66 mm |
| April | 11.7 °C | 24 °C | 93.73 mm |
| May | 17.1 °C | 28.3 °C | 125.98 mm |
| June | 21.8 °C | 32.9 °C | 95.25 mm |
| July | 23.8 °C | 35.5 °C | 58.42 mm |
| August | 23.4 °C | 35.6 °C | 59.44 mm |
| September | 19.3 °C | 31.6 °C | 80.26 mm |
| October | 12.8 °C | 25.8 °C | 113.79 mm |
| November | 6.8 °C | 19.1 °C | 74.93 mm |
| December | 2.1 °C | 14.1 °C | 73.66 mm |
| Annual | 12.5 °C | 24.6 °C | 993.39 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |