| 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 10a: 30F to 35F |
| Average First Frost Date: | No Frost |
| Average Last Frost Date: | No Frost |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 92692 - Mission Viejo, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 41 | 42 | 44 | 47 | 52 | 56 | 60 | 61 | 59 | 52 | 44 | 40 | 50 |
| Avg Max Temp (°F) | 67 | 69 | 70 | 74 | 77 | 82 | 88 | 89 | 86 | 81 | 73 | 68 | 77 |
| Avg Precip (In.) | 3.57 | 3.3 | 2.68 | .81 | .28 | .08 | .03 | .14 | .39 | .41 | 1.17 | 1.84 | 14.7 |