Sadler, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.3 °F (low) to 74.3 °F (high). Annual precipitation averages 40.9 Inches. Sadler is located in USDA Plant Hardiness Zone 8a. 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 | 31.3 °F | 53.2 °F | 2.19 in. |
| February | 35.0 °F | 57.7 °F | 2.56 in. |
| March | 42.6 °F | 65.5 °F | 3.6 in. |
| April | 50.7 °F | 73.5 °F | 3.62 in. |
| May | 60.4 °F | 80.7 °F | 5.33 in. |
| June | 69.1 °F | 89.2 °F | 4.16 in. |
| July | 73.1 °F | 94.1 °F | 2.73 in. |
| August | 72.1 °F | 94.5 °F | 2.7 in. |
| September | 64.5 °F | 87.0 °F | 3.63 in. |
| October | 53.1 °F | 76.6 °F | 4.29 in. |
| November | 42.4 °F | 64.8 °F | 3.03 in. |
| December | 33.8 °F | 55.2 °F | 3.1 in. |
| Annual | 52.3 °F | 74.3 °F | 40.94 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |