| 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: | Frost Rare | |
| 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: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 92120 - San Diego, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 45 | 47 | 49 | 52 | 56 | 59 | 63 | 64 | 63 | 57 | 49 | 45 | 54 |
| Avg Max Temp (°F) | 67 | 68 | 70 | 71 | 73 | 77 | 81 | 83 | 82 | 78 | 72 | 68 | 74 |
| Avg Precip (In.) | 2.65 | 2.31 | 2.66 | .89 | .29 | .1 | .04 | .1 | .27 | .49 | 1.22 | 1.4 | 12.43 |