| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°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 | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F | |
| Average First Frost Date: | July 21 - July 31 | |
| Average Last Frost Date: | Jul. 1 - Jul. 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 17aa - Dry Intermontane Sagebrush Valleys | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 83251 - Mackay, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 9 | 18 | 26 | 34 | 40 | 45 | 44 | 37 | 27 | 16 | 6 | 26 |
| Avg Max Temp (°F) | 29 | 34 | 42 | 52 | 61 | 71 | 80 | 79 | 69 | 57 | 38 | 29 | 53 |
| Avg Precip (In.) | .66 | .53 | .75 | .64 | 1.15 | 1.19 | 1.02 | .85 | .69 | .56 | .64 | .67 | 9.35 |