| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 35a - Tertiary Uplands |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 71016 - Castor, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 37 | 44 | 51 | 60 | 67 | 71 | 69 | 63 | 51 | 42 | 36 | 52 |
| Avg Max Temp (°F) | 56 | 61 | 69 | 76 | 83 | 89 | 93 | 93 | 88 | 78 | 67 | 58 | 76 |
| Avg Precip (In.) | 5.64 | 4.83 | 5.22 | 4.59 | 5.49 | 4.64 | 4.1 | 3.03 | 3.59 | 4.22 | 5 | 5.41 | 55.76 |