| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F | |
| 2012 Hardiness Zone: | Zone 10b: 35°F to 40°F | |
| 1990 Hardiness Zone: | Zone 10b: 35F to 40F | |
| Average First Frost Date: | Jan. 21 - Jan. 31 | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 90744 - Wilmington, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 46 | 48 | 50 | 52 | 56 | 60 | 63 | 64 | 63 | 58 | 50 | 46 | 55 |
| Avg Max Temp (°F) | 67 | 68 | 68 | 71 | 73 | 76 | 80 | 82 | 81 | 77 | 72 | 68 | 74 |
| Avg Precip (In.) | 3.22 | 3.15 | 2.62 | .66 | .24 | .08 | .03 | .12 | .23 | .39 | 1.15 | 1.81 | 13.69 |