| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | 1a - Coastal Lowlands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98550 - Hoquiam, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 37 | 38 | 41 | 46 | 50 | 53 | 53 | 50 | 45 | 40 | 36 | 44 |
| Avg Max Temp (°F) | 46 | 50 | 53 | 56 | 61 | 64 | 68 | 69 | 69 | 61 | 51 | 46 | 58 |
| Avg Precip (In.) | 11.66 | 9.94 | 8.65 | 5.89 | 3.71 | 2.67 | 1.44 | 1.71 | 3.2 | 7.07 | 12.39 | 12.46 | 80.79 |