| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°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 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 10e - Pleistocene Lake Basins | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 98937 - Naches, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 24 | 29 | 33 | 40 | 46 | 52 | 51 | 44 | 34 | 28 | 22 | 35 |
| Avg Max Temp (°F) | 36 | 41 | 50 | 57 | 65 | 71 | 80 | 81 | 73 | 59 | 44 | 35 | 58 |
| Avg Precip (In.) | 3.03 | 2.03 | 1.41 | .95 | .77 | .82 | .42 | .53 | .61 | 1.36 | 2.58 | 3.44 | 17.95 |