Banks Springs, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.3 °F (low) to 76.9 °F (high). Annual precipitation averages 58.5 Inches. Banks Springs 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 | 35.5 °F | 58.0 °F | 5.78 in. |
| February | 38.0 °F | 62.1 °F | 5.06 in. |
| March | 45.2 °F | 70.4 °F | 5.34 in. |
| April | 52.4 °F | 76.6 °F | 6.14 in. |
| May | 61.4 °F | 84.2 °F | 4.87 in. |
| June | 68.6 °F | 90.0 °F | 4.63 in. |
| July | 71.3 °F | 92.7 °F | 4.4 in. |
| August | 70.2 °F | 93.4 °F | 3.66 in. |
| September | 64.4 °F | 88.4 °F | 3.68 in. |
| October | 52.9 °F | 79.1 °F | 4.27 in. |
| November | 43.1 °F | 67.9 °F | 5.01 in. |
| December | 37.1 °F | 59.7 °F | 5.62 in. |
| Annual | 53.3 °F | 76.9 °F | 58.46 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 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |