Bernice, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.4 °F (low) to 75.8 °F (high). Annual precipitation averages 57.4 Inches. Bernice 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 | 33.8 °F | 56.2 °F | 5.54 in. |
| February | 36.8 °F | 60.5 °F | 4.81 in. |
| March | 43.8 °F | 68.4 °F | 5.66 in. |
| April | 51.2 °F | 76.1 °F | 5.82 in. |
| May | 60.7 °F | 83.0 °F | 4.83 in. |
| June | 68.1 °F | 89.8 °F | 4.44 in. |
| July | 71.3 °F | 92.7 °F | 4.17 in. |
| August | 70.3 °F | 93.0 °F | 3.61 in. |
| September | 63.4 °F | 87.9 °F | 3.71 in. |
| October | 51.6 °F | 78.0 °F | 4.62 in. |
| November | 41.8 °F | 66.3 °F | 4.44 in. |
| December | 35.8 °F | 58.2 °F | 5.7 in. |
| Annual | 52.4 °F | 75.8 °F | 57.35 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 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |