Watha, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.5 °C (low) to 23.4 °C (high). Annual precipitation averages 1433.6 Millimeters. Watha is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.1 °C | 13.2 °C | 97.28 mm |
| February | 1.2 °C | 15 °C | 88.39 mm |
| March | 4.5 °C | 18.9 °C | 102.87 mm |
| April | 9.4 °C | 23.8 °C | 92.2 mm |
| May | 14.4 °C | 27.4 °C | 106.93 mm |
| June | 19.1 °C | 30.8 °C | 145.29 mm |
| July | 21.3 °C | 32.6 °C | 162.31 mm |
| August | 20.4 °C | 31.6 °C | 177.8 mm |
| September | 17.6 °C | 28.9 °C | 183.39 mm |
| October | 10.9 °C | 24.2 °C | 97.79 mm |
| November | 4.9 °C | 18.9 °C | 88.9 mm |
| December | 1.9 °C | 14.9 °C | 90.42 mm |
| Annual | 10.5 °C | 23.4 °C | 1433.57 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |