| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer | |
| Ecoregion: | 15v - Northern Idaho Hills and Low Relief Mountains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 99023 - Mica, WA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 26 | 29 | 33 | 39 | 46 | 51 | 50 | 42 | 33 | 27 | 22 | 35 |
| Avg Max Temp (°F) | 36 | 41 | 49 | 56 | 64 | 71 | 80 | 81 | 72 | 59 | 43 | 36 | 57 |
| Avg Precip (In.) | 2.21 | 1.99 | 2.13 | 1.77 | 2.32 | 1.52 | 1.17 | .83 | .98 | 1.51 | 3 | 2.82 | 22.24 |