| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F |
| Average First Frost Date: | Dec. 1 - Dec. 10 |
| Average Last Frost Date: | Feb. 21 - Feb. 29 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 34j - Lafayette Loess Plains |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 70518 - Broussard, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 45 | 51 | 57 | 65 | 71 | 74 | 73 | 68 | 58 | 50 | 44 | 58 |
| Avg Max Temp (°F) | 61 | 65 | 72 | 78 | 85 | 89 | 91 | 91 | 88 | 80 | 71 | 64 | 78 |
| Avg Precip (In.) | 6.13 | 4.2 | 4.53 | 4.66 | 5.37 | 5.96 | 6.54 | 5.13 | 5.31 | 4.03 | 4.65 | 5.38 | 61.89 |