Banks Springs, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.8 °C (low) to 24.9 °C (high). Annual precipitation averages 1484.9 Millimeters. 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 | 1.9 °C | 14.4 °C | 146.81 mm |
| February | 3.3 °C | 16.7 °C | 128.52 mm |
| March | 7.3 °C | 21.3 °C | 135.64 mm |
| April | 11.3 °C | 24.8 °C | 155.96 mm |
| May | 16.3 °C | 29 °C | 123.7 mm |
| June | 20.3 °C | 32.2 °C | 117.6 mm |
| July | 21.8 °C | 33.7 °C | 111.76 mm |
| August | 21.2 °C | 34.1 °C | 92.96 mm |
| September | 18 °C | 31.3 °C | 93.47 mm |
| October | 11.6 °C | 26.2 °C | 108.46 mm |
| November | 6.2 °C | 19.9 °C | 127.25 mm |
| December | 2.8 °C | 15.4 °C | 142.75 mm |
| Annual | 11.8 °C | 24.9 °C | 1484.88 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |