| 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. 11 - Oct. 20 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate |
| Ecoregion: | 10e - Pleistocene Lake Basins |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 98848 - Quincy, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 26 | 31 | 37 | 45 | 52 | 57 | 56 | 48 | 37 | 29 | 21 | 38 |
| Avg Max Temp (°F) | 34 | 42 | 54 | 63 | 72 | 79 | 86 | 85 | 77 | 63 | 45 | 34 | 61 |
| Avg Precip (In.) | .93 | .75 | .69 | .45 | .63 | .5 | .3 | .33 | .44 | .53 | 1.19 | 1.33 | 8.08 |