| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 10a: 30°F to 35°F |
| 2012 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 10a: 30°F to 35°F |
| 1990 Hardiness Zone: | Zone 10a: 30F to 35F |
| Average First Frost Date: | Jan. 21 - Jan. 31 |
| Average Last Frost Date: | Jan. 21 - Jan. 31 |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 92672 - San Clemente, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 45 | 46 | 48 | 50 | 55 | 58 | 62 | 62 | 61 | 56 | 48 | 44 | 53 |
| Avg Max Temp (°F) | 66 | 66 | 67 | 69 | 70 | 73 | 77 | 78 | 78 | 75 | 70 | 67 | 71 |
| Avg Precip (In.) | 2.73 | 2.7 | 2.36 | .8 | .24 | .1 | .03 | .12 | .31 | .39 | 1.11 | 1.65 | 12.55 |