| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Sep.1 - Sep. 10 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer | |
| Ecoregion: | 15u - Inland Maritime Foothills and Valleys | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 83856 - Priest River, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 22 | 26 | 31 | 39 | 44 | 48 | 47 | 40 | 33 | 26 | 20 | 33 |
| Avg Max Temp (°F) | 30 | 36 | 45 | 56 | 65 | 72 | 79 | 79 | 70 | 55 | 37 | 30 | 54 |
| Avg Precip (In.) | 3.57 | 3.03 | 2.6 | 2.22 | 2.55 | 2.28 | 1.42 | 1.32 | 1.42 | 2.15 | 4.13 | 4.29 | 30.98 |