| 2023 Hardiness Zone: | Zone 10a: 30°F to 35°F |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F |
| Average First Frost Date: | Dec. 21 - Dec. 31 |
| Average Last Frost Date: | Feb. 11 - Feb. 20 |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 91354 - Valencia, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 38 | 39 | 42 | 47 | 51 | 55 | 56 | 53 | 47 | 41 | 37 | 45 |
| Avg Max Temp (°F) | 64 | 65 | 68 | 74 | 80 | 88 | 94 | 96 | 91 | 82 | 72 | 65 | 78 |
| Avg Precip (In.) | 3.48 | 3.73 | 3.14 | .69 | .24 | .03 | .02 | .12 | .28 | .38 | 1.32 | 1.8 | 15.23 |