| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 11a: 40°F to 45°F |
| 2012 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 10a: 30°F to 35°F |
| 1990 Hardiness Zone: | Zone 10b: 35F to 40F |
| Average First Frost Date: | No Frost |
| Average Last Frost Date: | No Frost |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 92110 - San Diego, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 49 | 50 | 53 | 55 | 59 | 62 | 65 | 67 | 65 | 60 | 53 | 48 | 57 |
| Avg Max Temp (°F) | 66 | 66 | 67 | 68 | 69 | 72 | 75 | 77 | 76 | 74 | 70 | 66 | 70 |
| Avg Precip (In.) | 2.24 | 2.07 | 2.17 | .73 | .2 | .09 | .03 | .09 | .22 | .4 | 1.06 | 1.28 | 10.59 |