| 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 5a: -20°F to -15°F Zone 3b: -35°F to -30°F Zone 4a: -30°F to -25°F Zone 4b: -25°F to -20°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | July 21 - July 31 |
| Average Last Frost Date: | Jul. 11 - Jul. 20 |
| 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 83638 - McCall, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 13 | 19 | 26 | 33 | 38 | 42 | 40 | 33 | 27 | 20 | 12 | 26 |
| Avg Max Temp (°F) | 30 | 35 | 42 | 49 | 59 | 67 | 78 | 79 | 69 | 56 | 38 | 30 | 53 |
| Avg Precip (In.) | 3.61 | 3.25 | 2.89 | 2.28 | 2.39 | 2.07 | 1.02 | 1.1 | 1.46 | 1.83 | 3.45 | 3.76 | 29.12 |