| 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 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 1 - Apr. 10 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | 2a - Fraser Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98230 - Blaine, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 34 | 36 | 40 | 45 | 50 | 53 | 53 | 48 | 42 | 37 | 33 | 42 |
| Avg Max Temp (°F) | 44 | 47 | 52 | 57 | 62 | 67 | 71 | 71 | 67 | 58 | 49 | 44 | 57 |
| Avg Precip (In.) | 6.24 | 5.04 | 4.35 | 3.47 | 2.92 | 2.44 | 1.79 | 1.75 | 2.37 | 4.54 | 7.11 | 6.71 | 48.74 |