| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°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: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | 3d - Valley Foothills |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98682 - Vancouver, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 35 | 37 | 40 | 45 | 49 | 52 | 52 | 48 | 42 | 38 | 34 | 42 |
| Avg Max Temp (°F) | 46 | 50 | 56 | 60 | 67 | 72 | 79 | 80 | 75 | 64 | 52 | 45 | 62 |
| Avg Precip (In.) | 6.74 | 5.49 | 4.89 | 3.59 | 3.07 | 2.11 | .86 | 1.28 | 2.16 | 3.78 | 6.93 | 7.25 | 48.16 |