Louise, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59.9 °F (low) to 80 °F (high). Annual precipitation averages 44.9 Inches. Louise is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 43.3 °F | 63.6 °F | 3.29 in. |
| February | 46.8 °F | 67.4 °F | 2.48 in. |
| March | 53.3 °F | 73.2 °F | 3.1 in. |
| April | 59.5 °F | 79.5 °F | 2.99 in. |
| May | 67.1 °F | 85.6 °F | 4.53 in. |
| June | 73.0 °F | 90.8 °F | 4.93 in. |
| July | 74.1 °F | 92.7 °F | 3.56 in. |
| August | 74.0 °F | 94.3 °F | 4.06 in. |
| September | 69.8 °F | 90.3 °F | 4.79 in. |
| October | 60.8 °F | 83.4 °F | 4.16 in. |
| November | 51.8 °F | 73.5 °F | 3.85 in. |
| December | 45.2 °F | 65.9 °F | 3.18 in. |
| Annual | 59.9 °F | 80 °F | 44.92 in. |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |