Covington, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.5 °F (low) to 77.1 °F (high). Annual precipitation averages 38.9 Inches. Covington 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 | 34.8 °F | 57.6 °F | 2.68 in. |
| February | 38.6 °F | 61.5 °F | 2.79 in. |
| March | 45.7 °F | 68.6 °F | 3.61 in. |
| April | 53.0 °F | 76.4 °F | 3.46 in. |
| May | 62.5 °F | 83.6 °F | 4.51 in. |
| June | 70.3 °F | 91.2 °F | 3.91 in. |
| July | 73.3 °F | 95.6 °F | 1.88 in. |
| August | 73.0 °F | 96.1 °F | 2.51 in. |
| September | 66.0 °F | 89.4 °F | 3.19 in. |
| October | 55.3 °F | 79.4 °F | 4.49 in. |
| November | 44.9 °F | 67.3 °F | 2.96 in. |
| December | 36.6 °F | 58.9 °F | 2.87 in. |
| Annual | 54.5 °F | 77.1 °F | 38.86 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |