Pendleton, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.1 °C (low) to 25.7 °C (high). Annual precipitation averages 953 Millimeters. Pendleton 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 | 2.5 °C | 15.3 °C | 68.58 mm |
| February | 4.6 °C | 17.3 °C | 65.53 mm |
| March | 8.6 °C | 21.2 °C | 84.84 mm |
| April | 12.7 °C | 25.4 °C | 71.37 mm |
| May | 17.6 °C | 29.2 °C | 113.54 mm |
| June | 21.4 °C | 33.1 °C | 91.44 mm |
| July | 22.8 °C | 35.2 °C | 46.99 mm |
| August | 22.8 °C | 35.7 °C | 78.49 mm |
| September | 19.3 °C | 32.1 °C | 83.31 mm |
| October | 13.7 °C | 26.8 °C | 95.25 mm |
| November | 7.9 °C | 20.7 °C | 77.47 mm |
| December | 3.6 °C | 16.1 °C | 76.2 mm |
| Annual | 13.1 °C | 25.7 °C | 953.01 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |