Watauga, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.3 °C (low) to 25 °C (high). Annual precipitation averages 958.9 Millimeters. Watauga is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.8 °C | 13.7 °C | 59.44 mm |
| February | 3.9 °C | 15.9 °C | 67.56 mm |
| March | 8.2 °C | 20.1 °C | 87.88 mm |
| April | 12.4 °C | 24.6 °C | 82.8 mm |
| May | 17.8 °C | 28.7 °C | 111.76 mm |
| June | 22.3 °C | 33.2 °C | 100.08 mm |
| July | 24.2 °C | 35.5 °C | 55.12 mm |
| August | 24.1 °C | 35.8 °C | 64.01 mm |
| September | 19.9 °C | 31.8 °C | 80.01 mm |
| October | 13.7 °C | 26.1 °C | 107.19 mm |
| November | 7.7 °C | 19.5 °C | 71.88 mm |
| December | 3 °C | 14.7 °C | 71.12 mm |
| Annual | 13.3 °C | 25 °C | 958.85 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| 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 |