| 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 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer | |
| Ecoregion: | 15p - St. Joe Schist-Gneiss Zone | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 83827 - Elk River, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 21 | 25 | 31 | 37 | 43 | 47 | 47 | 40 | 31 | 25 | 19 | 32 |
| Avg Max Temp (°F) | 32 | 37 | 44 | 52 | 60 | 68 | 77 | 78 | 68 | 55 | 38 | 31 | 53 |
| Avg Precip (In.) | 4.93 | 4.19 | 3.28 | 2.66 | 3.07 | 2.4 | 1.47 | 1.21 | 1.75 | 2.45 | 4.78 | 5.07 | 37.27 |