| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 11a: 40°F to 45°F | |
| 2012 Hardiness Zone: | Zone 10a: 30°F to 35°F | |
| 1990 Hardiness Zone: | Zone 10a: 30F to 35F | |
| Average First Frost Date: | No Frost | |
| Average Last Frost Date: | No Frost | |
| Koppen-Geiger Climate Zone: | Aw - Tropical Savanna (Wet and Dry Climate) | |
| Ecoregion: | 75b - Southwestern Florida Flatwoods | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 151 - 180 days Over 86°F |
Annual Climate Data for ZIP Code 33957 - Sanibel, FL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 53 | 54 | 58 | 62 | 67 | 72 | 73 | 74 | 73 | 68 | 61 | 55 | 64 |
| Avg Max Temp (°F) | 75 | 76 | 80 | 84 | 88 | 90 | 92 | 92 | 90 | 87 | 81 | 77 | 84 |
| Avg Precip (In.) | 2.15 | 2.19 | 2.12 | 2.25 | 2.88 | 6.41 | 8.52 | 7.41 | 8.17 | 3.02 | 1.75 | 1.73 | 48.6 |