South Toledo Bend, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.3 °F (low) to 77.4 °F (high). Annual precipitation averages 56.8 Inches. South Toledo Bend is located in USDA Plant Hardiness Zone 9a. 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 | 37.8 °F | 59.1 °F | 5.45 in. |
| February | 41.0 °F | 63.1 °F | 4.6 in. |
| March | 47.8 °F | 70.4 °F | 5.26 in. |
| April | 54.2 °F | 77.1 °F | 4.73 in. |
| May | 62.7 °F | 84.3 °F | 4.44 in. |
| June | 69.9 °F | 89.8 °F | 4.67 in. |
| July | 71.7 °F | 92.8 °F | 4.21 in. |
| August | 71.3 °F | 93.5 °F | 4.13 in. |
| September | 66.4 °F | 88.5 °F | 3.8 in. |
| October | 55.8 °F | 79.8 °F | 5.14 in. |
| November | 45.6 °F | 68.8 °F | 4.87 in. |
| December | 39.6 °F | 61.1 °F | 5.51 in. |
| Annual | 55.3 °F | 77.4 °F | 56.81 in. |
| 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 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |