| 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 Zone 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | 2d - Olympic Rainshadow | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98368 - Port Townsend, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 38 | 39 | 42 | 46 | 50 | 52 | 53 | 50 | 45 | 40 | 37 | 44 |
| Avg Max Temp (°F) | 45 | 48 | 52 | 57 | 62 | 66 | 71 | 71 | 67 | 58 | 49 | 45 | 58 |
| Avg Precip (In.) | 2.48 | 1.8 | 1.84 | 1.61 | 1.64 | 1.33 | 1.01 | .94 | 1.13 | 1.6 | 2.83 | 2.78 | 20.99 |