| 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 70507 - Lafayette, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 41 | 44 | 51 | 57 | 65 | 71 | 73 | 72 | 68 | 57 | 49 | 43 | 58 |
| Avg Max Temp (°F) | 61 | 65 | 72 | 78 | 85 | 90 | 92 | 92 | 88 | 80 | 71 | 64 | 78 |
| Avg Precip (In.) | 6.2 | 4.3 | 4.63 | 4.73 | 5.55 | 5.86 | 6.21 | 4.99 | 5.15 | 4.15 | 4.84 | 5.33 | 61.94 |