| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°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: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 92129 - San Diego, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 43 | 45 | 47 | 50 | 54 | 58 | 62 | 63 | 61 | 55 | 47 | 43 | 52 |
| Avg Max Temp (°F) | 67 | 68 | 70 | 72 | 74 | 79 | 84 | 85 | 83 | 79 | 73 | 68 | 75 |
| Avg Precip (In.) | 2.87 | 2.59 | 2.8 | .99 | .33 | .1 | .02 | .11 | .27 | .48 | 1.29 | 1.63 | 13.46 |