| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F |
| 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: | 65f - Southern Pine Plains and Hills |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 70437 - Folsom, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 42 | 48 | 54 | 62 | 68 | 71 | 70 | 66 | 55 | 47 | 41 | 55 |
| Avg Max Temp (°F) | 61 | 65 | 72 | 78 | 85 | 90 | 92 | 92 | 88 | 80 | 70 | 63 | 78 |
| Avg Precip (In.) | 6.19 | 5.52 | 6.47 | 5.66 | 5.57 | 5.17 | 6.32 | 5.38 | 4.8 | 3.45 | 5.12 | 5.34 | 65.01 |