Kenner, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 62.2 °F (low) to 77.9 °F (high). Annual precipitation averages 65.7 Inches. Kenner is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 45.1 °F | 61.9 °F | 5.5 in. |
| February | 48.5 °F | 65.7 °F | 4.35 in. |
| March | 54.6 °F | 71.8 °F | 4.57 in. |
| April | 61.4 °F | 78.0 °F | 4.92 in. |
| May | 69.0 °F | 84.8 °F | 5.71 in. |
| June | 75.0 °F | 89.3 °F | 7.48 in. |
| July | 76.5 °F | 91.0 °F | 7.54 in. |
| August | 76.5 °F | 90.9 °F | 7.15 in. |
| September | 73.4 °F | 87.5 °F | 5.36 in. |
| October | 64.3 °F | 79.9 °F | 3.83 in. |
| November | 54.0 °F | 70.4 °F | 4.13 in. |
| December | 47.6 °F | 64.0 °F | 5.11 in. |
| Annual | 62.2 °F | 77.9 °F | 65.65 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |