| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5a: -20°F to -15°F Zone 7a: 0°F to 5°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 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Aug. 11 - Aug. 20 |
| Average Last Frost Date: | Jul. 1 - Jul. 10 |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer |
| Ecoregion: | 16g - High Glacial Drift-Filled Valleys |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 83654 - New Meadows, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 9 | 12 | 19 | 27 | 33 | 39 | 42 | 41 | 33 | 25 | 20 | 10 | 26 |
| Avg Max Temp (°F) | 30 | 36 | 45 | 53 | 63 | 71 | 81 | 82 | 72 | 59 | 41 | 30 | 55 |
| Avg Precip (In.) | 2.86 | 2.59 | 2.39 | 2.07 | 2.28 | 1.9 | .9 | .8 | 1.29 | 1.55 | 2.7 | 3.18 | 24.51 |