| 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 | |
| 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: | 2f - Central Puget Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98037 - Lynnwood, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 35 | 37 | 40 | 46 | 50 | 53 | 54 | 49 | 43 | 38 | 34 | 43 |
| Avg Max Temp (°F) | 46 | 50 | 54 | 60 | 65 | 69 | 75 | 75 | 70 | 61 | 51 | 46 | 60 |
| Avg Precip (In.) | 4.97 | 4.09 | 3.99 | 2.88 | 2.15 | 1.92 | 1.06 | 1.18 | 1.95 | 3.48 | 5.65 | 5.77 | 39.07 |