| 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 10a: 30°F to 35°F Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 10a: 30F to 35F |
| Average First Frost Date: | Nov. 21 - Nov. 30 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 95570 - Trinidad, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 41 | 41 | 42 | 46 | 49 | 51 | 52 | 49 | 46 | 42 | 39 | 45 |
| Avg Max Temp (°F) | 55 | 56 | 57 | 59 | 61 | 64 | 66 | 67 | 67 | 64 | 58 | 54 | 61 |
| Avg Precip (In.) | 8.32 | 6.57 | 6.65 | 3.83 | 2.07 | .89 | .21 | .46 | 1.05 | 2.91 | 7.3 | 8.03 | 48.29 |