| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 10a: 30°F to 35°F Zone 11a: 40°F to 45°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 11a: 40F to 45F | |
| Average First Frost Date: | Jan. 1 - Jan. 10 | |
| Average Last Frost Date: | Feb. 11 - Feb. 20 | |
| 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 90290 - Topanga, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 44 | 45 | 46 | 48 | 52 | 55 | 58 | 59 | 58 | 53 | 48 | 44 | 51 |
| Avg Max Temp (°F) | 66 | 68 | 69 | 74 | 76 | 82 | 88 | 89 | 86 | 80 | 72 | 67 | 76 |
| Avg Precip (In.) | 5.47 | 5.32 | 4.45 | 1.01 | .36 | .07 | .02 | .13 | .28 | .65 | 1.77 | 3.05 | 22.59 |