New Iberia, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 58.8 °F (low) to 78.1 °F (high). Annual precipitation averages 63.9 Inches. New Iberia is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.4 °F | 61.9 °F | 5.56 in. |
| February | 45.8 °F | 65.5 °F | 4.32 in. |
| March | 51.9 °F | 71.9 °F | 3.76 in. |
| April | 58.1 °F | 77.9 °F | 5.16 in. |
| May | 66.1 °F | 84.4 °F | 5.09 in. |
| June | 72.1 °F | 89.2 °F | 6.98 in. |
| July | 74.0 °F | 90.6 °F | 6.93 in. |
| August | 73.3 °F | 91.2 °F | 6.69 in. |
| September | 69.1 °F | 88.0 °F | 5.61 in. |
| October | 58.9 °F | 80.7 °F | 4.5 in. |
| November | 49.2 °F | 71.2 °F | 4.58 in. |
| December | 44.1 °F | 64.2 °F | 4.67 in. |
| Annual | 58.8 °F | 78.1 °F | 63.85 in. |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| 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 |