| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 1990 Hardiness Zone: | Zone 10b: 35F to 40F | |
| Average First Frost Date: | Jan. 11 - Jan. 20 | |
| Average Last Frost Date: | Feb. 1 - Feb. 10 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 91361 - Westlake Village, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 43 | 43 | 45 | 49 | 53 | 57 | 58 | 55 | 51 | 44 | 41 | 48 |
| Avg Max Temp (°F) | 66 | 68 | 70 | 75 | 77 | 84 | 90 | 91 | 87 | 81 | 73 | 67 | 77 |
| Avg Precip (In.) | 4.54 | 4.58 | 3.5 | .92 | .33 | .06 | .03 | .11 | .35 | .54 | 1.66 | 2.65 | 19.27 |