| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°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 9a: 20°F to 25°F Zone 10a: 30°F to 35°F Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 95018 - Felton, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 39 | 40 | 41 | 45 | 48 | 49 | 50 | 48 | 44 | 39 | 36 | 43 |
| Avg Max Temp (°F) | 62 | 63 | 66 | 72 | 75 | 80 | 83 | 83 | 83 | 78 | 67 | 62 | 73 |
| Avg Precip (In.) | 10.06 | 8.67 | 6.93 | 2.77 | .86 | .19 | .11 | .15 | .46 | 1.98 | 6.03 | 6.86 | 45.06 |