| 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 4b: -25°F to -20°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Aug. 1 - Aug. 10 |
| Average Last Frost Date: | Jul. 21 - Jul. 31 |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer |
| Ecoregion: | 16g - High Glacial Drift-Filled Valleys |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 83611 - Cascade, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 13 | 19 | 26 | 33 | 39 | 44 | 42 | 34 | 27 | 21 | 12 | 27 |
| Avg Max Temp (°F) | 30 | 35 | 42 | 51 | 61 | 70 | 80 | 80 | 69 | 57 | 39 | 30 | 54 |
| Avg Precip (In.) | 2.64 | 2.44 | 2.2 | 1.85 | 1.88 | 1.6 | .69 | .71 | 1.06 | 1.49 | 2.64 | 2.93 | 22.14 |