| 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 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: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer | |
| Ecoregion: | 10h - Palouse Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 99179 - Uniontown, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 28 | 32 | 36 | 42 | 48 | 52 | 52 | 45 | 37 | 30 | 25 | 38 |
| Avg Max Temp (°F) | 38 | 43 | 50 | 58 | 66 | 73 | 82 | 83 | 74 | 61 | 45 | 38 | 59 |
| Avg Precip (In.) | 2.83 | 2.38 | 2.3 | 2.14 | 2.06 | 1.59 | 1.01 | .99 | 1.11 | 1.79 | 3.11 | 2.97 | 24.28 |