| 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 8a: 10F to 15F | |
| 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: | 1g - Mid-Coastal Sedimentary | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 97324 - Alsea, OR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 36 | 38 | 40 | 45 | 48 | 52 | 52 | 50 | 44 | 39 | 36 | 43 |
| Avg Max Temp (°F) | 48 | 51 | 56 | 60 | 68 | 72 | 81 | 82 | 78 | 64 | 51 | 46 | 63 |
| Avg Precip (In.) | 12.29 | 10.24 | 8.55 | 5.23 | 3.69 | 2.07 | .72 | .99 | 2.17 | 5.33 | 11.78 | 13.68 | 76.75 |