| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Aug. 21 - Aug. 31 | |
| Average Last Frost Date: | Jun. 21 - Jun. 30 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 17aj - Eastern Divide Mountains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 59634 - Clancy, MT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 15 | 22 | 29 | 37 | 44 | 49 | 48 | 39 | 30 | 20 | 12 | 30 |
| Avg Max Temp (°F) | 32 | 37 | 45 | 55 | 64 | 73 | 81 | 81 | 70 | 57 | 41 | 33 | 56 |
| Avg Precip (In.) | .58 | .44 | .64 | .97 | 2.01 | 1.99 | 1.7 | 1.37 | 1.23 | .76 | .64 | .61 | 12.94 |