| 2023 Hardiness Zone: | 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: | 74d - Baton Rouge Terrace |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 70706 - Denham Springs, LA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 42 | 49 | 55 | 63 | 69 | 72 | 71 | 67 | 55 | 47 | 41 | 56 |
| Avg Max Temp (°F) | 60 | 64 | 71 | 78 | 84 | 90 | 91 | 91 | 88 | 80 | 70 | 63 | 78 |
| Avg Precip (In.) | 6.64 | 5.39 | 5.75 | 5.82 | 5.58 | 5.3 | 6.04 | 5.84 | 5.15 | 3.75 | 5.08 | 5.54 | 65.88 |