| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| 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: | 3a - Portland/Vancouver Basin | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 98686 - Vancouver, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 34 | 37 | 40 | 45 | 50 | 53 | 53 | 48 | 42 | 38 | 34 | 42 |
| Avg Max Temp (°F) | 46 | 50 | 55 | 60 | 66 | 72 | 78 | 79 | 74 | 64 | 52 | 45 | 62 |
| Avg Precip (In.) | 6.03 | 5.03 | 4.36 | 3.19 | 2.71 | 1.81 | .83 | 1.13 | 1.88 | 3.4 | 6.5 | 6.67 | 43.55 |