| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 96025 - Dunsmuir, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 30 | 32 | 35 | 41 | 47 | 51 | 49 | 45 | 38 | 32 | 28 | 38 |
| Avg Max Temp (°F) | 48 | 52 | 57 | 64 | 73 | 81 | 88 | 88 | 82 | 71 | 55 | 49 | 67 |
| Avg Precip (In.) | 7.9 | 6.97 | 6.41 | 3.13 | 2.2 | 1 | .31 | .4 | 1.03 | 2.64 | 5.83 | 5.91 | 43.74 |