| 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: | Mar. 11 - Mar. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 35a - Tertiary Uplands |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 71291 - West Monroe, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 34 | 38 | 45 | 52 | 61 | 68 | 71 | 70 | 64 | 52 | 43 | 37 | 53 |
| Avg Max Temp (°F) | 57 | 62 | 70 | 77 | 84 | 91 | 94 | 94 | 88 | 79 | 67 | 59 | 77 |
| Avg Precip (In.) | 5.6 | 4.72 | 5.69 | 4.93 | 5.4 | 4.46 | 3.76 | 2.9 | 3.35 | 4.09 | 4.73 | 5.39 | 55.04 |