| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°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: | Nov. 21 - Nov. 30 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| 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 97465 - Port Orford, OR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 40 | 41 | 42 | 43 | 46 | 49 | 52 | 52 | 51 | 47 | 43 | 40 | 46 |
| Avg Max Temp (°F) | 53 | 54 | 55 | 57 | 60 | 63 | 66 | 67 | 66 | 62 | 56 | 53 | 59 |
| Avg Precip (In.) | 11.97 | 9.94 | 10 | 5.94 | 4.02 | 2.12 | .63 | 1.2 | 2.08 | 4.98 | 11.22 | 12.4 | 76.5 |