Waco, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56 °F (low) to 77.9 °F (high). Annual precipitation averages 37.5 Inches. Waco 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 | 36.5 °F | 58.8 °F | 2.73 in. |
| February | 40.2 °F | 62.7 °F | 2.7 in. |
| March | 47.5 °F | 69.4 °F | 3.53 in. |
| April | 54.8 °F | 77.0 °F | 3.15 in. |
| May | 64.1 °F | 84.2 °F | 4.5 in. |
| June | 71.3 °F | 91.8 °F | 3.57 in. |
| July | 74.2 °F | 95.5 °F | 1.68 in. |
| August | 74.0 °F | 96.2 °F | 2.35 in. |
| September | 67.2 °F | 90.0 °F | 3.1 in. |
| October | 56.6 °F | 80.3 °F | 4.18 in. |
| November | 46.5 °F | 68.6 °F | 3.0 in. |
| December | 38.5 °F | 60.4 °F | 2.98 in. |
| Annual | 56 °F | 77.9 °F | 37.47 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |