| 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: | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 92115 - San Diego, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 46 | 48 | 50 | 53 | 57 | 60 | 64 | 65 | 63 | 58 | 50 | 46 | 55 |
| Avg Max Temp (°F) | 67 | 68 | 70 | 71 | 72 | 76 | 80 | 82 | 81 | 77 | 72 | 68 | 73 |
| Avg Precip (In.) | 2.55 | 2.28 | 2.52 | .89 | .3 | .1 | .04 | .1 | .27 | .49 | 1.19 | 1.42 | 12.17 |