Dubberly, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.5 °F (low) to 76.2 °F (high). Annual precipitation averages 56.5 Inches. Dubberly 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 | 34.9 °F | 56.8 °F | 5.25 in. |
| February | 37.9 °F | 60.9 °F | 5.0 in. |
| March | 44.7 °F | 68.6 °F | 5.48 in. |
| April | 52.1 °F | 76.2 °F | 5.39 in. |
| May | 61.8 °F | 83.3 °F | 4.75 in. |
| June | 69.4 °F | 89.8 °F | 4.78 in. |
| July | 72.4 °F | 93.1 °F | 3.87 in. |
| August | 71.6 °F | 93.6 °F | 3.32 in. |
| September | 64.9 °F | 88.4 °F | 3.87 in. |
| October | 53.0 °F | 78.2 °F | 4.82 in. |
| November | 42.9 °F | 66.8 °F | 4.39 in. |
| December | 36.7 °F | 58.7 °F | 5.54 in. |
| Annual | 53.5 °F | 76.2 °F | 56.46 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 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 |