| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate |
| Ecoregion: | 10a - Channeled Scablands |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 98801 - Wenatchee, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 25 | 31 | 38 | 46 | 52 | 57 | 57 | 48 | 38 | 29 | 22 | 39 |
| Avg Max Temp (°F) | 35 | 42 | 53 | 63 | 71 | 78 | 86 | 86 | 77 | 63 | 44 | 34 | 61 |
| Avg Precip (In.) | 1.41 | .99 | .67 | .54 | .53 | .68 | .3 | .42 | .41 | .5 | 1.4 | 1.6 | 9.45 |