Rendon, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.1 °F (low) to 76.8 °F (high). Annual precipitation averages 38.5 Inches. Rendon 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 | 34.9 °F | 56.8 °F | 2.5 in. |
| February | 38.6 °F | 60.9 °F | 2.7 in. |
| March | 46.0 °F | 68.2 °F | 3.53 in. |
| April | 53.6 °F | 75.8 °F | 3.41 in. |
| May | 63.2 °F | 83.4 °F | 4.63 in. |
| June | 71.1 °F | 91.4 °F | 3.85 in. |
| July | 74.4 °F | 95.7 °F | 2.0 in. |
| August | 74.1 °F | 95.9 °F | 2.5 in. |
| September | 66.8 °F | 88.9 °F | 3.17 in. |
| October | 55.8 °F | 78.7 °F | 4.4 in. |
| November | 45.2 °F | 67.0 °F | 3.02 in. |
| December | 36.9 °F | 58.4 °F | 2.83 in. |
| Annual | 55.1 °F | 76.8 °F | 38.54 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 |