| 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 |
| 1990 Hardiness Zone: | Zone 10b: 35F to 40F |
| Average First Frost Date: | No Frost |
| Average Last Frost Date: | No Frost |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 92647 - Huntington Beach, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 47 | 48 | 50 | 52 | 57 | 60 | 63 | 64 | 63 | 58 | 51 | 47 | 55 |
| Avg Max Temp (°F) | 66 | 66 | 67 | 69 | 71 | 74 | 78 | 79 | 78 | 75 | 71 | 67 | 72 |
| Avg Precip (In.) | 2.85 | 2.88 | 2.45 | .69 | .23 | .08 | .02 | .12 | .29 | .35 | 1.12 | 1.67 | 12.76 |