| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°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: | Jan. 21 - Jan. 31 |
| Average Last Frost Date: | Jan. 21 - Jan. 31 |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 92124 - San Diego, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 44 | 46 | 48 | 51 | 55 | 59 | 62 | 64 | 62 | 56 | 48 | 44 | 53 |
| Avg Max Temp (°F) | 68 | 69 | 71 | 72 | 74 | 79 | 84 | 85 | 83 | 79 | 73 | 68 | 75 |
| Avg Precip (In.) | 2.81 | 2.55 | 2.86 | 1 | .34 | .1 | .04 | .1 | .28 | .52 | 1.28 | 1.57 | 13.46 |