| 2023 Hardiness Zone: | Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F | |
| 2012 Hardiness Zone: | Zone 4a: -30°F to -25°F | |
| 1990 Hardiness Zone: | Zone 3b: -35F to -30F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 42o - North Central Brown Glaciated Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 59425 - Conrad, MT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 7 | 12 | 20 | 28 | 38 | 45 | 49 | 48 | 38 | 29 | 17 | 10 | 29 |
| Avg Max Temp (°F) | 31 | 37 | 46 | 57 | 66 | 74 | 81 | 81 | 70 | 59 | 42 | 34 | 56 |
| Avg Precip (In.) | .44 | .32 | .66 | 1.02 | 2.14 | 2.22 | 1.24 | 1.45 | 1.01 | .58 | .47 | .43 | 11.99 |