| 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 Zone 11a: 40°F to 45°F | |
| 1990 Hardiness Zone: | Zone 10a: 30F to 35F | |
| Average First Frost Date: | Frost Rare | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 92657 - Newport Coast, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 45 | 47 | 48 | 51 | 55 | 58 | 61 | 62 | 61 | 56 | 49 | 45 | 53 |
| Avg Max Temp (°F) | 66 | 67 | 69 | 70 | 71 | 75 | 78 | 80 | 79 | 76 | 71 | 67 | 72 |
| Avg Precip (In.) | 3.11 | 3.16 | 2.89 | .81 | .26 | .1 | .04 | .12 | .37 | .39 | 1.23 | 1.84 | 14.33 |