| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 8a: 10°F to 15°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 Zone 7b: 5°F to 10°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| 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: | 1a - Coastal Lowlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 97138 - Seaside, OR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 39 | 40 | 42 | 45 | 49 | 52 | 52 | 50 | 46 | 41 | 38 | 44 |
| Avg Max Temp (°F) | 49 | 52 | 54 | 57 | 62 | 65 | 69 | 70 | 69 | 62 | 54 | 49 | 59 |
| Avg Precip (In.) | 10.22 | 9.55 | 8.53 | 5.73 | 3.88 | 2.99 | 1.6 | 1.37 | 3.06 | 6.17 | 11.33 | 11.42 | 75.86 |