New Waverly, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 57.3 °F (low) to 78.5 °F (high). Annual precipitation averages 50.6 Inches. New Waverly 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 | 39.9 °F | 61.0 °F | 4.24 in. |
| February | 43.4 °F | 64.8 °F | 3.39 in. |
| March | 49.7 °F | 71.6 °F | 3.87 in. |
| April | 56.4 °F | 78.1 °F | 3.8 in. |
| May | 64.8 °F | 85.0 °F | 4.9 in. |
| June | 71.1 °F | 90.9 °F | 4.81 in. |
| July | 73.3 °F | 93.6 °F | 3.31 in. |
| August | 72.9 °F | 94.6 °F | 4.24 in. |
| September | 67.8 °F | 89.1 °F | 4.05 in. |
| October | 58.1 °F | 80.7 °F | 5.02 in. |
| November | 48.4 °F | 70.3 °F | 4.61 in. |
| December | 41.7 °F | 62.4 °F | 4.33 in. |
| Annual | 57.3 °F | 78.5 °F | 50.57 in. |
| 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 : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |