| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F |
| Average First Frost Date: | Dec. 1 - Dec. 10 |
| Average Last Frost Date: | Mar. 1 - Mar. 10 |
| 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 96073 - Palo Cedro, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 39 | 42 | 46 | 53 | 60 | 66 | 63 | 59 | 51 | 42 | 37 | 50 |
| Avg Max Temp (°F) | 56 | 60 | 65 | 72 | 82 | 91 | 99 | 97 | 91 | 79 | 63 | 56 | 76 |
| Avg Precip (In.) | 5.63 | 4.72 | 4.45 | 2.23 | 1.64 | .61 | .12 | .26 | .75 | 1.69 | 3.68 | 4.42 | 30.2 |