| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°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 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 3b: -35F to -30F | |
| 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: | 12e - Upper Snake River Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 83435 - Monteview, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 5 | 10 | 20 | 28 | 37 | 44 | 48 | 46 | 37 | 27 | 17 | 6 | 27 |
| Avg Max Temp (°F) | 29 | 35 | 46 | 58 | 68 | 77 | 86 | 86 | 75 | 60 | 40 | 30 | 57 |
| Avg Precip (In.) | .68 | .61 | .73 | .83 | 1.4 | 1.16 | .86 | .72 | .63 | .67 | .75 | .71 | 9.76 |