| 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 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F |
| Average First Frost Date: | Dec. 21 - Dec. 31 |
| Average Last Frost Date: | Feb. 21 - Feb. 29 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 95567 - Smith River, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 40 | 41 | 42 | 42 | 46 | 49 | 53 | 53 | 52 | 47 | 42 | 40 | 46 |
| Avg Max Temp (°F) | 52 | 55 | 56 | 58 | 62 | 66 | 71 | 70 | 70 | 65 | 55 | 52 | 61 |
| Avg Precip (In.) | 11.91 | 10.94 | 10.59 | 6.04 | 3.74 | 1.67 | .42 | .84 | 2.04 | 5.31 | 11.75 | 12.59 | 77.84 |