| 2023 Hardiness Zone: | Zone 10a: 30°F to 35°F |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°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: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 94925 - Corte Madera, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 45 | 46 | 48 | 50 | 53 | 54 | 55 | 54 | 52 | 47 | 42 | 49 |
| Avg Max Temp (°F) | 57 | 61 | 64 | 68 | 71 | 75 | 77 | 77 | 77 | 73 | 64 | 57 | 68 |
| Avg Precip (In.) | 6.92 | 6.35 | 5.02 | 1.9 | .84 | .18 | .05 | .11 | .39 | 1.76 | 5 | 5.09 | 33.63 |